-ana -vac a-ak a-ok aaaa aaac aaan aaar aaav aaca aacc aack aacn aaco aacr aacv aaka aana aaon aaoo aara aarc aaro aava acaa acac acan acar acca accc acco acoa acon acor acr- acra acrc acro acrr acrv acvv akaa akan akao akar akca akka akko akna akok akon akr- akra ana- anaa anac anak anan anao anar anca ancc anco ank- anka anko anna anno ano- anoa anon anor anrc aoca aono aora aorn arac arak aran arar arc- arca arco arka arko arna arnk arno aroa aron aroo aror arr- arra arrc arrk arro arrr arva arvn arvo avan avao avar avcc avco avon avor avra avro avva avvo caaa caac caan cac- caca cacc cack caco cacr caka cana canc cank cann cano caor cara carc cark carn caro carr cava cavo ccaa ccac ccar ccca cccc cccv ccna ccnc ccnr ccoc ccra ccrc ccvo ckac ckan ckck ckco ckcv cknc ckoa ckoc ckoo ckor ckrc ckvo cnaa cnac cnco cnna cnrc cnrr coak coan coca cock coco cok- coka coko con- cona conc conk conn cono conv cook coon cor- cora corc cork corn coro corr cova covo crac cran crar crca crcc crcr crkc crna croc crok cron croo cror cvac cvar cvca cvcc cvra cvrr kaaa kaak kaan kaar kacc kaco kacv kaka kakc kakk kakn kako kana kann kano kanv kaoa kaoc kaok kaon kaor kara kark karn karo karr karv kava kavo kavv kcaa kcac kcar kcav kcca kccc kcck kccr kccv kckc kckk kckn kcko kckr kckv kcno kcnr kcnv kcon kcor kcrc kcrn kcro kcrr kcrv kcvk kcvo kcvr kcvv kkaa kkac kkan kkar kkck kkcn kkco kkcr kkkk kknn kkno kkoa kkon kkoo kkor kkov kkrc kkrk kkrn kkro kkrr kkrv kkvr kkvv knaa knac knan knar knca knck kncn knco kncr knkk knnk knnr knoc knok knon knor knrk knro knrv knva knvn knvo knvr koac koak koan koar koca kock kocn koka kokc kokk kokn koko kokr kona konc konk kono kooc kook koon kooo koor koov kora korc kork korn koro korr korv kova kovc kovk kovo kovr krac krak kran krar krav krca krcc krcn krco krka krkc krkk krkn krko krkr krkv krna krnk krnn krno krnv kroa kroc krok kroo kror krov krrc krrk krrn krro krrr krva krvc krvk krvn krvo krvr krvv kvak kvan kvar kvcc kvck kvco kvcr kvcv kvna kvnc kvnn kvno kvnr kvoa kvoc kvok kvon kvoo kvor kvov kvra kvrc kvro kvrr kvrv kvvn kvvr kvvv naaa naac naan naar naca nacc nack naco naka nako nan- nana nann nano naoc naor nara narc nark narn naro narr nava navo navr navv ncaa ncac ncar ncca nccc nccn nccr ncna ncnc ncoa ncoc ncor ncra ncrc nkok nkor nnnn noaa noac noak nock noco noko non- nona nonn nono noo- nook noon nooo noor noov nor- nora norc nork norn noro norr norv nov- nova novo nrca nrna nroc nron nrrc nvcc oara ocac ocak ocan occa occc occn ocna ocon ocra ocro ocrr okak okan okka okko okna okno okok okon okor okra okro onan onar onc- onca onco onna onno onon onor onra ooaa ooak oocr oona oooo oora orac orak oran orao orar orav orca orco orka orko orna ornc orno oro- orok oron oror orra orro orvr ovan ovar ovo- ovon ovoo ovra raak raan rac- raca racc rack raco racv raka rakk rana ranc rank rann rano raoc raok rara rark raro rava rcac rccc rcnr rcon rcvr rnco roak roan roar roca rocc rock roco roka rokk roko rokr rona ronc ronk rono rook roon roor rora rorc rork roro rova rovo rrna rrrr rv-c rvca vaan vaar vaca vack vaco vaka vana vanc vank vann vano vara vark varn varr vava vcon vkor vnav voar voca voka vona vonk vonn vooc voor vor- vora voro vovk vrac vrak vran vrav vrnn vroc vron vvvv