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rotorcraft 15
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factor 11
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craft 10
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croft 10
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fract 10
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tractor 9
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coft 9
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coof 9
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corf 9
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fact 9
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carrot 8
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cottar 8
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trocar 8
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afoot 8
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caf 8
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rotator 7
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actor 7
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cotta 7
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taroc 7
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tract 7
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afro 7
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faro 7
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fart 7
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foot 7
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fora 7
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fort 7
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frat 7
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raft 7
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roof 7
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toft 7
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orator 6
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acro 6
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arco 6
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atoc 6
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carr 6
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cart 6
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coat 6
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coot 6
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cott 6
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octa 6
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orca 6
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taco 6
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tact 6
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toco 6
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torc 6
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aft 6
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arf 6
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far 6
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fat 6
-
foo 6
-
for 6
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fra 6
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fro 6
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oaf 6
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oft 6
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oof 6
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orf 6
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ottar 5
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rotor 5
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tarot 5
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torot 5
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torta 5
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troat 5
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act 5
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arc 5
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car 5
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cat 5
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coo 5
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cor 5
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cot 5
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oca 5
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orc 5
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roc 5
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toc 5
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orra 4
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otto 4
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rato 4
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roar 4
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root 4
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rort 4
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rota 4
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roto 4
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taro 4
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tart 4
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toot 4
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tora 4
-
toro 4
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torr 4
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tort 4
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trat 4
-
trot 4
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art 3
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att 3
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oar 3
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oat 3
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oor 3
-
oot 3
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ora 3
-
ort 3
-
rat 3
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roo 3
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rot 3
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tao 3
-
tar 3
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tat 3
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too 3
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tor 3
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tot 3