a-ak a-ha a-ok aaaa aaac aaah aaar aaca aacc aach aack aaco aacr aaha aahk aaka aaoo aara aarc aaro acaa acac acar acca accc acch acco acha achh acho achr acoa acoh acor acr- acra acrc acro acrr ahac ahah ahar ahha ahoa ahok ahor ahra ahrc ahrr akaa akah akao akar akca akha akka akko akok akr- akra aoah aoca aora arac arah arak arar arc- arca arch arco arh- arka arkh arko aroa aroo aror arr- arra arrc arrh arrk arro arrr caaa caac caah cac- caca cacc cach cack caco cacr caha caka caor cara carc cark caro carr ccaa ccac ccar ccca cccc ccha cchr ccoc ccra ccrc chaa chac chah chak chao char chca chch chha chka choc choh chok choo chor chra chrc chro chrr ckac ckch ckck ckco ckoa ckoc ckoo ckor ckrc coak coca coch cock coco coha coho cok- coka coko cooh cook cor- cora corc cork coro corr crac crar crca crcc crcr crkc croc croh crok croo cror haak haar hack haco haha haho haka hakk hako haor hara harc harh hark haro harr hcca hccc hcch hhaa hhhh hkcc hoac hoar hoca hoch hock hocr hoha hoho hoka hoko hook hoor hora horc hork horo horr hrac hrrc kaaa kaak kaar kacc kach kaco kaha kahc kaho kahr kaka kakc kakh kakk kako kaoa kaoc kaok kaor kara kark karo karr kcaa kcac kcah kcar kcca kccc kcck kccr kcha kchh kchk kcho kchr kckc kckk kcko kckr kcoh kcor kcrc kcrh kcro kcrr khac khak khao khar khca khcc khch khck khhk khho khka khkk khkr khoa khoc khok khor khra khrk khro khrr kkaa kkac kkar kkch kkck kkco kkcr kkha kkhh kkhk kkhr kkkk kkoa kkoh kkoo kkor kkrc kkrh kkrk kkro kkrr koac koak koar koca koch kock koha kohh koho kohr koka kokc kokh kokk koko kokr kooc kook kooo koor kora korc kork koro korr krac krah krak krar krca krcc krch krco krhc krka krkc krkh krkk krko krkr kroa kroc kroh krok kroo kror krrc krrk krro krrr oara ocac ocak occa occc ocha ocra ocro ocrr ohcc ohho ohoh ohok ohra okak okha okka okko okok okor okra okro ooaa ooak oocr ooha ooho oooh oooo oora orac orah orak orao orar orca orch orco orka orko oro- orok oror orra orro raak rac- raca racc rach rack raco raha rahr raka rakk raoc raoh raok rara rark raro rcac rccc rhoa rhoc rhoh roak roar roca rocc roch rock roco roha rohr roka rokh rokk roko rokr rook roor rora rorc rork roro rrah rrrr