a-ak a-ha aaaa aaac aaae aaah aaca aacc aace aach aack aaea aaec aage aagh aaha aahk aaka aake acaa acac acae acag acca accc acce acch ace- acea acec aceh acek acga acha ache achh acke aeac aega aeka agac agag agca agcc agce agea agee agga agge agha aghe ahac ahah ahha akaa akae akah akca akee akeg akha akka caaa caac caah cac- caca cacc cace cach cack caec caga cage cagg caha cahe caka cake ccaa ccac ccag ccca cccc ccee ccga ccgc ccha cche ceac cec- ceca cece ceec cege ceke cgac cgcc cgcg chaa chac chae chag chah chak chca chce chch chea chec chee cheh chek chge chha chka ckac ckch ckck ckga eaca eacc each eaec eaga eage ecaa ecac ecca eccc ecce echa eche ecka eeca eeea eeee eega eeka eeke egaa egae egcc egcg egea egec egee egge eggh eghe eghh ehaa ehcc ehea eheh eka- ekch ekek ekka gace gach gack gaea gaec gaga gage gagg gaha gahe gc-c gcaa gccc geca gece geck geek gege gegg geha gggg gghg ghea ghee gheg haag haak hace hack haec hag- haga hage hagg hagh haha haka hake hakk hcca hccc hcch hcgh heah heca hech heck heeg heek hega hege hegg hegh hehe heka heke hgah hggc hhaa hhgg hhhh hkcc kaaa kaag kaak kacc kace kach kaeh kag- kaga kagc kage kagg kagh kaha kahc kahe kaka kakc kake kakh kakk kcaa kcac kcah kcca kccc kcck kcea kcec kcee kceg kcgc kcha kche kchg kchh kchk kckc kckk kea- keag keak keca kecg kech keck keeh keek kega kege kegg kegh kegk kehk keka kekc keke kgac kgak kgcc kgce kgec kgga kggg khac khak khca khcc khch khck khec khgc khge khgg khhg khhk khka khke khkk kkaa kkac kkag kkch kkck kkea kkeg kkha kkhh kkhk kkkk