a-a a-b a-c aaa aab aac aae aag aah aak ab- aba abb abc abe abg abh abk ac- aca acb acc ace acg ach ack aea aeb aec aee aeg aeh aek ag- aga agb agc age agg agh agk aha ahb ahc ahe ahg ahh ahk aka akb akc ake akg akh akk baa bab bac bae bag bah bak bba bbb bbc bbe bbg bbh bbk bca bcb bcc bce bcg bch bck be- bea beb bec bee beg beh bek bga bgb bgc bge bgg bgh bgk bha bhb bhc bhe bhg bhh bhk bka bkb bkc bke bkg bkk c-- caa cab cac cae cag cah cak cba cbb cbc cbe cbg cbh cbk cca ccb ccc cce ccg cch cck ce- cea ceb cec cee ceg ceh cek cga cgb cgc cge cgg cgh ch- cha chb chc che chg chh chk cka ckb ckc ckh eaa eab eac eae eag eah eak eba ebb ebc ebe ebg ebh ebk ec- eca ecb ecc ece ecg ech eck eea eeb eec eee eeg eek ega egb egc ege egg egh eha ehb ehc ehe ehg ehh eka ekb ekc eke ekg ekh gaa gab gac gae gag gah gak gba gbc gbe gbg gbh gbk gca gcb gcc gce gcg gch gck ge- gea geb gec gee geg geh gek gga ggb ggc ggg ggh gha ghb ghc ghe ghg ghh gka gkb gkh haa hab hac hae hag hah hak hba hbb hbc hbe hbg hbh hbk hca hcb hcc hce hcg hch hck he- hea heb hec hee heg heh hek hga hgb hgc hge hgg hgh hgk hha hhb hhc hhe hhg hhh hhk hka hkb hkg hkh hkk ka- kaa kab kac kae kag kah kak kba kbb kbc kbe kbh kbk kca kcb kcc kce kcg kch kck ke- kea keb kec kee keg keh kek kga kgb kgc kgh kha khe khh khk kkb kkc kke kkh kkk

a-ak a-be a-ha aaaa aaab aaac aaae aaah aaba aabb aabc aabh aaca aacb aacc aace aach aack aaea aaec aage aagh aaha aahk aaka aake abaa abab abac abae abag abak abb- abba abbb abbe abca abcb abcc abch abec abee abha acaa acab acac acae acag acba acca accc acce acch ace- acea acec aceh acek acga acha ache achh acke aeac aecb aega aeka agac agag agba agca agcc agce agea agee agga agge agha aghe ahab ahac ahah ahha akaa akae akah akca akee akeg akha akka baaa baah baak baba babb babe bac- baca bacc bace bach back baek baga bage bagg bagh baha bak- baka bake bakh bbbb bbch bbeb bbga bcaa bcbc bcbg bcca bccc bcec bche beag beah beak beba bebb bebe beca bech beck beeb beeg beek bega begg beka beke bgca bhag bhca bhcc caaa caab caac caah caba cabe cabg cac- caca cacc cace cach cack caec caga cage cagg caha cahe caka cake cbac cbbc cbca cbcc cbce cbea cbec cbee cbga cbgb cbha cbka cbkg ccaa ccab ccac ccag ccba ccbc ccca cccb cccc ccee ccga ccgc ccha cche ceac ceba cec- ceca cece ceeb ceec cege ceke cgac cgcc cgcg chaa chab chac chae chag chah chak chca chce chch chea cheb chec chee cheh chek chgb chge chha chka chkb ckac ckbc ckbe ckch ckck ckga eaba eabh eaca eacc each eaec eaga eage ebac ebba ebbc ebcc ecaa ecac ecbc ecbe ecca eccb eccc ecce echa eche ecka eeca eeea eeee eega eeka eeke egaa egae egba egbe egcc egcg egea egec egee eggb egge eggh eghe eghh ehaa ehcc ehea eheh eka- ekab ekch ekeb ekek ekka gaba gabb gabe gace gach gack gaea gaec gaga gage gagg gaha gahe gbag gc-c gcaa gcbc gccc geab geba gebe geca gece geck geek gege gegg geha gggg gghg ghea ghee gheg haab haag haak haba habe hace hack haec hag- haga hage hagg hagh haha haka hake hakk hbag hcbc hcca hccb hccc hcch hcgh heah hebb hebe heca hech heck heeb heeg heek hega hege hegg hegh hehe heka heke hgah hggc hhaa hhgg hhhh hkcc kaaa kaab kaag kaak kaba kabb kabc kabe kabg kacb kacc kace kach kaeh kag- kaga kagb kagc kage kagg kagh kaha kahc kahe kaka kakc kake kakh kakk kbaa kbab kbac kbae kbak kbba kbbb kbbc kbbe kbbg kbbk kbca kbcb kbce kbch kbck kbeb kbec kbee kbeh kbek kbga kbgb kbge kbgg kbgh kbhb kbhc kbhe kbhh kbkb kbkg kbkk kcaa kcab kcac kcah kcba kcbc kcbk kcca kccb kccc kcck kcea kceb kcec kcee kceg kcgc kcha kche kchg kchh kchk kckc kckk kea- keag keak keba kebb kebc kebe keca kecg kech keck keeh keek kega kege kegg kegh kegk kehk keka kekb kekc keke kgab kgac kgak kgba kgbb kgbc kgcb kgcc kgce kgeb kgec kgga kggg khab khac khak khbc khca khcb khcc khch khck kheb khec khgc khge khgg khhg khhk khka khke khkk kkaa kkac kkag kkba kkbb kkbe kkbg kkcb kkch kkck kkea kkeg kkgb kkha kkhb kkhh kkhk kkkk

-aaa- aaaah aaace aaaee aaagh aabaa aabba aabga aacbc aahaa abaab ababa ababe abaca aback abaga abaka abake abbac abccc abeba abebe abece abega abege abegg abgah acaca acacb acack acage acake acccg aceae achab achak achee ackah ackee aeaea aebbe aegae aegea agace agege ageha aggag ahhaa ahhha aka-e akaba akbah akce akhba baabe baake babak babec babee babek babka bacab bacca bacea bacha bache back- backa backe bagac bagag bagea bagga bagge bagha bahag bahce bakea bakka bakke bbbee beach beack beagh bebek becak becca beche becke beckh beeac beebe beech beega beeke begab begee begga begge behea bekaa bekah bekka bekke bhaga c-a-c ca-ca caaba cacak cacha cache caec- caeca cagge cahch ccccc ceace cebec cech ceche cecka ceeac cegge chaab chaac chaah chaba chaca chace chach chack chaek chaga chahe chaka chakh chakk chea- checa chech check cheek chega chege chegg cheha cheka chekc