a-ak a-ha aaaa aaac aaah aaar aaca aacc aach aack aacr aaha aahk aaka aara aarc acaa acac acar acca accc acch acha achh achr acr- acra acrc acrr ahac ahah ahar ahha ahra ahrc ahrr akaa akah akar akca akha akka akr- akra arac arah arak arar arc- arca arch arh- arka arkh arr- arra arrc arrh arrk arrr caaa caac caah cac- caca cacc cach cack cacr caha caka cara carc cark carr ccaa ccac ccar ccca cccc ccha cchr ccra ccrc chaa chac chah chak char chca chch chha chka chra chrc chrr ckac ckch ckck ckrc crac crar crca crcc crcr crkc haak haar hack haha haka hakk hara harc harh hark harr hcca hccc hcch hhaa hhhh hkcc hrac hrrc kaaa kaak kaar kacc kach kaha kahc kahr kaka kakc kakh kakk kara kark karr kcaa kcac kcah kcar kcca kccc kcck kccr kcha kchh kchk kchr kckc kckk kckr kcrc kcrh kcrr khac khak khar khca khcc khch khck khhk khka khkk khkr khra khrk khrr kkaa kkac kkar kkch kkck kkcr kkha kkhh kkhk kkhr kkkk kkrc kkrh kkrk kkrr krac krah krak krar krca krcc krch krhc krka krkc krkh krkk krkr krrc krrk krrr raak rac- raca racc rach rack raha rahr raka rakk rara rark rcac rccc rrah rrrr