a-ak a-be a-ha aaaa aaab aaac aaae aaah aaba aabb aabc aabh aaca aacb aacc aace aach aack aacu aaea aaec aaha aahk aaka aake aaku abaa abab abac abae abak abau abb- abba abbb abbe abca abcb abcc abch abec abee abha abua abue abuk acaa acab acac acae acba acca accc acce acch accu ace- acea acec aceh acek acha ache achh achu acke acu- acue aeac aecb aeka ahab ahac ahah ahau ahha ahua akaa akae akah akca akee akeu akha akka akku akua auaa aube auca auce auch auke baaa baah baak baba babb babe babu bac- baca bacc bace bach back baek baha bahu bak- baka bake bakh baku bau- bauk bbau bbbb bbch bbeb bcaa bcbc bcca bccc bcec bche bcuc beah beak beau beba bebb bebe beca bech beck becu beeb beek beka beke beuk bhca bhcc bhuu buba bubb bube bubu buca bucc buce buch buck bucu buea bueu buha buhe buka buke bukh bukk buku caaa caab caac caah caba cabe cabu cac- caca cacc cace cach cack caec caeu caha cahe caka cake cauc cauk cbac cbbc cbca cbcc cbce cbcu cbea cbec cbee cbha cbka ccaa ccab ccac ccba ccbc ccca cccb cccc cccu ccee ccha cche ccuc ceac ceba cebu cec- ceca cece ceeb ceec ceke chaa chab chac chae chah chak chau chca chce chch chea cheb chec chee cheh chek cheu chha chka chkb chua chub chuk ckac ckbc ckbe ckch ckck cuau cub- cuba cubb cube cuca cucc cuce cuck cuek cuk- cuka cuke eaba eabh eaca eacc each eaec ebac ebba ebbc ebcc ecaa ecac ecbc ecbe ecca eccb eccc ecce echa eche ecka ecua eeca eeea eeee eeka eeke ehaa ehcc ehea eheh eheu eka- ekab ekch ekeb ekek ekka euba eubc euch haab haak haba habe habu hace hack haec haha haka hake hakk haku hau- haue hcbc hcca hccb hccc hcch heah hebb hebe heca hech heck heeb heek hehe heka heke heku heue heuk hhaa hhhh hkbu hkcc huac huah huba hubb hube huch huck hucu huea huhu huke huub kaaa kaab kaak kaba kabb kabc kabe kabu kacb kacc kace kach kacu kaeh kaha kahc kahe kahu kaka kakc kake kakh kakk kaku kau- kaub kauc kaue kauk kbaa kbab kbac kbae kbak kbba kbbb kbbc kbbe kbbk kbbu kbca kbcb kbce kbch kbck kbcu kbeb kbec kbee kbeh kbek kbhb kbhc kbhe kbhh kbkb kbkk kbua kbub kbuc kbue kbuk kbuu kcaa kcab kcac kcah kcau kcba kcbc kcbk kcbu kcca kccb kccc kcck kccu kcea kceb kcec kcee kceu kcha kche kchh kchk kchu kckc kckk kcua kcub kcue kcuh kcuk kea- keak keau keba kebb kebc kebe kebu keca kech keck keeh keek kehk keka kekb kekc keke keku khab khac khak khbc khca khcb khcc khch khck kheb khec khhk khka khke khkk khub khuk kkaa kkac kkba kkbb kkbe kkcb kkch kkck kkea kkha kkhb kkhh kkhk kkkk kkua kkuu kuac kuah kuau kuba kubb kubc kube kubu kuca kucb kucc kuce kuch kuek kueu kuhu kuka kuke kukh kukk kuku kuub kuuk kuuu uabc uaca uaua ubac ubba ubbe ubek ucak ucbc ucca ucea ucha uche ucka ucua ueba uhuh ukba ukcc ukek ukeu ukha uuuu