-ana -vac aaaa aaac aaan aaav aaca aacc aacn aaco aact aacv aana aaon aaoo aata aatc aatt aava ac-t acaa acac acan acat acca accc acco acct acoa acon acot acta actc acto actt actv acvv ana- anaa anac anan anao anat anca ancc anco anct anna anno annt ano- anoa anon ant- anta anto antt antv aoca aono aont aotc at-t ataa atac atan atat atca atcc atco atna atno atoc aton atot atta attn atto avan avao avat avcc avco avon avot avva avvo caaa caac caan caat cac- caca cacc caco cana canc cann cano cant cat- cata catc cato catt catv cava cavo ccaa ccac ccat ccca cccc cccv ccna ccnc ccoc cctc cctt cctv ccvo cnaa cnac cnco cnna cnta cntc coan coat coca coco coct con- cona conc conn cono cont conv coon coot cota cotc cotn coto cott cova covo ctan ctca ctot ctta cttn ctvo ctvt cvac cvca cvcc n-tv naaa naac naan naat naca nacc naco nan- nana nann nano nant naoc naot nata natc nato natt natv nava navo navv ncaa ncac ncat ncca nccc nccn ncct ncna ncnc ncoa ncoc ncta nctc nctv nnnn nnot nntn nnvt noaa noac noat noco noct non- nona nonn nono nont noo- noon nooo noot noov not- nota noto nott notv nov- nova novo ntcc ntto nttv nvcc nvtc nvtv ocac ocan ocat occa occc occn occt ocna ocon oct- octa octo onan onat onc- onca onco onct onna onno onon ont- ontc onto ontv ooaa oona oont oooo otac otan oto- oton otoo otov otta otto ovan ovo- ovon ovoo ovot taa- taan taat taca tacc taco tact tacv tana tann tano tant taoa tata tato tatt tatv tava tavo tcca tccc tcnn tcon tcov tctc tnca tncc toan toat toca toco tona tonn tono tooa toon toot tota totc toto tott tova tovo ttcn tton tttt tvac tvon tvtv vaan vaat vaca vaco vana vanc vann vano vant vata vato vatt vava vcat vcon vnav vnto voat voca vona vonn vont vooc voot vota voto vtac vvvv