a-ak a-ha aaaa aaac aaae aaah aaca aacc aace aach aack aaea aaec aaha aahk aaka aake acaa acac acae acca accc acce acch ace- acea acec aceh acek acha ache achh acke aeac aeka ahac ahah ahha akaa akae akah akca akee akha akka caaa caac caah cac- caca cacc cace cach cack caec caha cahe caka cake ccaa ccac ccca cccc ccee ccha cche ceac cec- ceca cece ceec ceke chaa chac chae chah chak chca chce chch chea chec chee cheh chek chha chka ckac ckch ckck eaca eacc each eaec ecaa ecac ecca eccc ecce echa eche ecka eeca eeea eeee eeka eeke ehaa ehcc ehea eheh eka- ekch ekek ekka haak hace hack haec haha haka hake hakk hcca hccc hcch heah heca hech heck heek hehe heka heke hhaa hhhh hkcc kaaa kaak kacc kace kach kaeh kaha kahc kahe kaka kakc kake kakh kakk kcaa kcac kcah kcca kccc kcck kcea kcec kcee kcha kche kchh kchk kckc kckk kea- keak keca kech keck keeh keek kehk keka kekc keke khac khak khca khcc khch khck khec khhk khka khke khkk kkaa kkac kkch kkck kkea kkha kkhh kkhk kkkk