a-ak a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aack aacr aaea aaec aage aaib aaic aaii aaka aake aara aarc aare aari abaa abab abac abae abag abai abak abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abig abir abra abrc abri acaa acab acac acae acag acai acar acba acca accc acce acci ace- acea acec acek acer acga acgi acgr aci- acia acic acie acir acke acr- acra acrc acre acri acrr aeac aebi aecb aeci aeer aega aeka aer- aera aerc aeri agac agag agai agar agba agca agcc agce agea agee agei ager agga agge aggi agia agib agic agie agig agii agir agra agre agri aiai aiba aica aicc aice aicr aiea aiee aiga aiia aiib aiic aiir aika aike aiki aira aire airi akaa akae akai akar akca akee akeg aker akia akie akik akir akka akki akr- akra akre arab arac arae arag arai arak arar arba arbe arbi arc- arca arce arci area arec aree areg arei arek arga argb arge argi aria arib arie arig arii arik arka arke arki arr- arra arrc arre arrg arri arrk arrr ba-i baaa baak baar baba babb babe babi babr bac- baca bacc bace baci back baek baer baga bage bagg bagi baia baib baic baie baig baik bair bak- baka bake baki bakr bar- bara barb barc bare barg bari bark barr bbbb bbci bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcci bcec bcer bcia bcie bcra beag beak bear beba bebb bebe bebi beca beci beck beeb beeg beek beer bega begg begi beia beic beik beir beka beke beki bera berc bere berg beri berk berr bgca bgia biak biar biba bibb bibe bibi bica bicc bice bicg bici bick bieb bier biga bigb bigc bige bigg bike bira birb bire birg biri birk birr brab brac brae brag brai brak brca brcb brce brea breb brec bree breg brei brek brer bria bric brie brig brik brka brkb brrr caaa caab caac caba cabe cabg cabi cac- caca cacc cace caci cack cacr caec caei caer caga cage cagg cagi cagr caia caib caic caik cair caka cake cara carb carc care cari cark carr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbga cbgb cbia cbir cbka cbkg cbkr cbre ccaa ccab ccac ccag ccai ccar ccba ccbc ccca cccb cccc ccci ccee ccga ccgc ccic ccii ccir ccra ccrc ccre ccrg ccri ceac cear ceba cec- ceca cece ceci ceeb ceec cege ceke cer- cera cerc cere ceri cgac cgcc cgcg cger ciaa ciak ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciga cigi ciia ciii cika cikr cira cirb circ cire ciri cirk cirr ckac ckbc ckbe ckbi ckck cker ckga ckrc crab crac crag crai crar crbc crca crcc crce crcr cre- crea creb crec cree creg crei cria crib cric crie crig crik crkc eaba eaca eacc eaec eaga eage eara earb eare ebac ebba ebbc ebbr ebcc eber ebic ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecig ecka ecra ecrc ecri ecrr eeca eeea eeee eega eeka eeke eera eerc eerg egaa egae egar egba egbe egcc egcg egcr egea egec egee eger eggb egge eggi egir egra egre egri eica eick eiec eiei eier eige eigg eika eike eiki eira eire eka- ekab ekeb ekek eker ekka ekki erba erbb erbe erca ercc erce ereb erec erei erer erg- erga ergg ergi eria eric erie erik erke erki erra errc erre gaar gaba gabb gabe gabi gabr gace gack gaea gaec gaer gaga gage gagg gagi gaia gaie gaig gair gaki gara garb gare garg gari garr gbag gc-c gcaa gcbc gccc gcic gcii gcrg geab geai gear geba gebe gebi geca gece geck geek geer gege gegg geia geic geie geig geir geki gera gerb gere geri gggg giaa giac giai giba gibb gibe gica gick gicr gier giga gige gigg gigi gira gire girg giri girk girr grab grac grae grai grbr grcc grce grea greb grec gree greg gria grib gric grie grig grrr i-be iaaa iaac iaai iaba iaca iacc iacr iaea iaec iaia iara iarc iare ibac ibar ibca ibea ibec ibeg ibga ibge ibia ibie ibra ibrc ibri icaa icab icac icag icai icar icbc icca iccb iccc icci iccr icea icec icee icer icga icgc icke icra icrc icre icrr ieac iecc ieie iera iere ieri igac igar igba igbc igcc igea iger igga igia igkc igra igri iiac iica iiie iiii iira iirc ikar ikea ikee iker ikig ikki ikra ikri irac irae irai irak irar irbe irca ircc ircg iree irer iri- iria iric irie irig irka irki irra irrc irre irri k-ci kaaa kaab kaag kaai kaak kaar kaba kabb kabc kabe kabg kabi kabr kacb kacc kace kaci kaei kaer kag- kaga kagb kagc kage kagg kagi kagr kaia kaib kaic kaie kaig kaii kaik kair kaka kakc kake kaki kakk kara karb kare karg kari kark karr kbaa kbab kbac kbae kbai kbak kbar kbba kbbb kbbc kbbe kbbg kbbi kbbk kbbr kbca kbcb kbce kbci kbck kbcr kbeb kbec kbee kbek kber kbga kbgb kbge kbgg kbgr kbia kbib kbic kbie kbig kbik kbkb kbkg kbkk kbkr kbra kbrb kbrc kbre kbrg kbri kbrk kcaa kcab kcac kcai kcar kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kcea kceb kcec kcee kceg kcei kcgc kcgi kcgr kcic kcie kcii kcir kckc kckk kckr kcrc kcrg kcri kcrr kea- keag keak kear keba kebb kebc kebe kebi kebr keca kecg keck kecr keek keer kega kege kegg kegi kegk kegr keib keig keii keik keir keka kekb kekc keke keki ker- kera kerb kerc kere keri kerk kerr kgab kgac kgak kgba kgbb kgbc kgbr kgcb kgcc kgce kgcr kgeb kgec kgga kggg