a-ak a-ok aaaa aaac aaar aaca aacc aack aaco aacr aact aaka aaoo aara aarc aaro aart aata aatc aatk aatt ac-t acaa acac acar acat acca accc acco acct acoa acor acot acr- acra acrc acro acrr acta actc acto actt akaa akao akar akca akka akko akok akot akr- akra aoca aora aort aotc arac arak arar arat arc- arca arco arct arka arko aroa aroo aror arr- arra arrc arrk arro arrr arrt arta artc arto artr at-t ataa atac atak atar atat atca atcc atck atco atcr atka atkt atoc atok ator atot atra atrc atrk atro atta atto attr caaa caac caat cac- caca cacc cack caco cacr caka caor cara carc cark caro carr cart cat- cata catc cato catt ccaa ccac ccar ccat ccca cccc ccoc ccra ccrc ccrt cctc cctt ckac ckat ckck ckco ckoa ckoc ckoo ckor ckot ckrc coak coat coca cock coco coct cok- coka coko cook coot cor- cora corc cork coro corr cort cota cotc coto cott crac crar crat crca crcc crcr crkc croc crok croo cror crot crrt crtc ctca ctor ctot ctrc ctta kaaa kaak kaar kaat kacc kaco kact kaka kakc kakk kako kakt kaoa kaoc kaok kaor kara kark karo karr kart kat- kata katc katk kato katr katt kcaa kcac kcar kcat kcca kccc kcck kccr kcct kckc kckk kcko kckr kcor kcot kcrc kcro kcrr kcrt kcta kctc kcto kkaa kkac kkar kkat kkck kkco kkcr kkct kkkk kkoa kkoo kkor kkot kkrc kkrk kkro kkrr kkrt kktc kktk koac koak koar koca kock koct koka kokc kokk koko kokr kooc kook kooo koor koot kora korc kork koro korr kort kota kotc kotk koto kotr kott krac krak krar krat krca krcc krco krka krkc krkk krko krkr kroa kroc krok kroo kror krrc krrk krro krrr krrt krta krtc krtk krto krtr ktaa ktak ktao ktar ktat ktcc ktck ktco ktcr ktkc ktkk ktko ktkr ktkt ktoc ktok ktoo ktor ktot ktrc ktrk ktro ktrr ktrt kttc kttk ktto kttr kttt oara ocac ocak ocat occa occc occt ocra ocro ocrr oct- octa octo okak okka okko okok okor okot okra okro okta okto ooaa ooak oocr oooo oora oort orac orak orao orar orat orca orco orka orko oro- orok oror orot orra orro orta ortc orto otac otak otar oto- otok otoo otor otra otro otta otto raak raat rac- raca racc rack raco ract raka rakk rakt raoc raok rara rark raro rata ratk rato ratt rcac rccc rctc roak roar roat roca rocc rock roco roka rokk roko rokr rook roor root rora rorc rork roro rort rota rotc rotk roto rotr rott rrat rrrr rtca rtcc taa- taar taat taca tacc tack taco tact taka takk tako takt taoa taor tara tarc tark taro tarr tart tata tato tatr tatt tcca tccc tctc tkac toat toca tock toco toka toko tooa took toor toot tora torc tork toro torr tort tota totc toto totr tott traa trac trak trao trat trca trcc troa troc troo trot trra trtc trtr tttt