a-a a-b a-c aaa aab aac aae aag aak aau ab- aba abb abc abe abg abk abu ac- aca acb acc ace acg ack acu aea aeb aec aee aeg aek aeu ag- aga agb agc age agg agk agu aka akb akc ake akg akk aku au- aua aub auc aue aug auk b-u baa bab bac bae bag bak bau bba bbb bbc bbe bbg bbk bbu bca bcb bcc bce bcg bck bcu be- bea beb bec bee beg bek beu bga bgb bgc bge bgg bgk bgu bka bkb bkc bke bkg bkk bua bub buc bue bug buk buu c-- caa cab cac cae cag cak cau cba cbb cbc cbe cbg cbk cbu cca ccb ccc cce ccg cck ccu ce- cea ceb cec cee ceg cek ceu cga cgb cgc cge cgg cgu cka ckb ckc cua cub cuc cue cug cuk cuu eaa eab eac eae eag eak eau eba ebb ebc ebe ebg ebk ebu ec- eca ecb ecc ece ecg eck ecu eea eeb eec eee eeg eek ega egb egc ege egg egu eka ekb ekc eke ekg eku eu- eua eub euc eue eug gaa gab gac gae gag gak gau gba gbc gbe gbg gbk gbu gca gcb gcc gce gcg gck gcu ge- gea geb gec gee geg gek geu gga ggb ggc ggg ggu gka gkb gu- gua gub guc gue gug guk guu ka- kaa kab kac kae kag kak kau kba kbb kbc kbe kbk kbu kca kcb kcc kce kcg kck kcu ke- kea keb kec kee keg kek kga kgb kgc kgu kkb kkc kke kkk kku kub kuc kue kug kuk kuu ua- uaa uab uac uae uag uak uau uba ubb ubc ube ubg ubk ubu uca ucb ucc uce ucg uck ucu uea ueb uec uee ueg uga ugb ugc uge ugg ugk ugu uka ukb ukc uke ukk uku uua uuc uue uug uuu

a-ak a-be aaaa aaab aaac aaae aaba aabb aabc aaca aacb aacc aace aack aacu aaea aaec aage aaka aake aaku abaa abab abac abae abag abak abau abb- abba abbb abbe abca abcb abcc abec abee abua abue abug abuk acaa acab acac acae acag acba acca accc acce accu ace- acea acec acek acga acke acu- acue aeac aecb aega aeka agac agag agau agba agca agcc agce agea agee agga agge aggu agua ague akaa akae akca akee akeg akeu akka akku akua auaa aube auca auce auga auge auke auug baaa baak baba babb babe babu bac- baca bacc bace back baek baga bage bagg bak- baka bake baku bau- baug bauk bbau bbbb bbeb bbga bcaa bcbc bcbg bcca bccc bcec bcuc beag beak beau beba bebb bebe beca beck becu beeb beeg beek bega begg begu beka beke beuk bgca buba bubb bube bubu buca bucc buce buck bucu buea bueu buga buge bugg buka buke bukk buku caaa caab caac caba cabe cabg cabu cac- caca cacc cace cack caec caeu caga cage cagg caka cake cauc cauk cbac cbbc cbca cbcc cbce cbcu cbea cbec cbee cbga cbgb cbka cbkg ccaa ccab ccac ccag ccba ccbc ccca cccb cccc cccu ccee ccga ccgc ccuc ceac ceba cebu cec- ceca cece ceeb ceec cege ceke cgac cgcc cgcg ckac ckbc ckbe ckck ckga cuau cub- cuba cubb cube cuca cucc cuce cuck cuek cuga cuk- cuka cuke eaba eaca eacc eaec eaga eage ebac ebba ebbc ebcc ecaa ecac ecbc ecbe ecca eccb eccc ecce ecka ecua eeca eeea eeee eega eeka eeke egaa egae egba egbe egbu egcc egcg egea egec egee eggb egge eka- ekab ekeb ekek ekka euba eubc euge gaba gabb gabe gabu gace gack gaea gaec gaga gage gagg gagu gaku gaua gaub gaue gauk gbag gc-c gcaa gcbc gccc geab geba gebe geca gece geck geek gege gegg geue gggg guaa guac guag guba gubb gubu guca guck guga gugb guge gugg gugu kaaa kaab kaag kaak kaba kabb kabc kabe kabg kabu kacb kacc kace kacu kag- kaga kagb kagc kage kagg kagu kaka kakc kake kakk kaku kau- kaub kauc kaue kaug kauk kbaa kbab kbac kbae kbak kbba kbbb kbbc kbbe kbbg kbbk kbbu kbca kbcb kbce kbck kbcu kbeb kbec kbee kbek kbga kbgb kbge kbgg kbkb kbkg kbkk kbua kbub kbuc kbue kbuk kbuu kcaa kcab kcac kcau kcba kcbc kcbk kcbu kcca kccb kccc kcck kccu kcea kceb kcec kcee kceg kceu kcgc kckc kckk kcua kcub kcue kcuk kea- keag keak keau keba kebb kebc kebe kebu keca kecg keck keek kega kege kegg kegk keka kekb kekc keke keku keug kgab kgac kgak kgba kgbb kgbc kgcb kgcc kgce kgeb kgec kgga kggg kgua kkaa kkac kkag kkba kkbb kkbe kkbg kkcb kkck kkea kkeg kkgb kkkk kkua kkuu kuac kuau kuba kubb kubc kube kubu kuca kucb kucc kuce kuek kueu kuga kugb kuge kuka kuke kukk kuku kuub kuuk kuuu uabc uaca uaua ubac ubba ubbe ubek ucak ucbc ucca ucea ucka ucua ueba ugab ugcc ugcg uguu ukba ukcc ukek ukeu uuuu

-aaa- aaace aaaee aabaa aabba aabga aacbc abaab ababa ababe ababu abaca aback abaga abaka abake abbac abccc abeau abeba abebe abece abega abege abegg abeuk acaca acacb acack acage acake acaua acccg accub accue aceae ackee acuba aeaea aebbe aegae aegea agace agaue agege aggag aka-e akaba akbuk akce akkub akuku augea baabe baake babak babau babec babee babek babka bacab bacca bacea back- backa backe bacu bagac bagag bagea bagga bagge bagua bague bakau bakea bakka bakke bauge bauke bbbee beack bebek becak becca becke becue beeac beebe beega beeke begab begee begga begge begue bekaa bekka bekke beuca bubba bubbe bubka bucak bucca bucek bucka bucku bugab bugac bugak bugga bugge bukac bukk- c-a-c ca-ca caaba cacak cacau cacu caec- caeca cagge cagua cauac cauca cauce caue cauge ccccc ceace cebec cecka ceeac cegge cuaba cubbe cubeb cubub cucea cucuk cueca eecca eecke