a-ak a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aack aacr aact aaea aaec aaib aaic aaii aaka aake aara aarc aare aari aart aata aatc aatk aatt abaa abab abac abae abai abak abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abci abcr abct abec abee aber abet abia abib abic abie abir abit abra abrc abri abta ac-t acaa acab acac acae acai acar acat acba acca accc acce acci acct ace- acea acec acek acer acet aci- acia acic acie acir acke acr- acra acrc acre acri acrr acta actc acte acti actt aeac aebi aecb aeci aect aeer aeit aeka aer- aera aerc aeri aeta aetc aetr aett aiai aiba aica aicc aice aicr aiea aiee aiet aiia aiib aiic aiir aika aike aiki aira aire airi airt aita aite aiti aitr aitt akaa akae akai akar akca akee aker akia akie akik akir akka akki akr- akra akre akte arab arac arae arai arak arar arat arba arbe arbi arc- arca arce arci arct area arec aree arei arek aret aria arib arie arii arik arit arka arke arki arr- arra arrc arre arri arrk arrr arrt arta artc arte arti artr at-t ataa atab atac atae atai atak atar atat atca atcc atck atcr atea atec atee atei ater atia atic atie atik atit atka atkt atra atrc atre atri atrk atta atte atti attr ba-i baaa baak baar baat baba babb babe babi babr bac- baca bacc bace baci back bact baek baer baia baib baic baie baik bair bait bak- baka bake baki bakr bakt bar- bara barb barc bare bari bark barr bart bata batc bate bati batt bbbb bbci bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcci bcec bcer bcet bcia bcie bcit bcra bctc beak bear beat beba bebb bebe bebi beca beci beck beeb beek beer beet beia beic beik beir beit beka beke beki bera berc bere beri berk berr bert beta betc bete beti bett biak biar biat biba bibb bibe bibi bica bicc bice bici bick bieb bier biet bike bira birb bire biri birk birr birt bita bitc bite bitt brab brac brae brai brak brat brca brcb brce brea breb brec bree brei brek brer bret bria bric brie brik brit brka brkb brrr brtc btaa btcc btec btek btie btrc btrt bttb caaa caab caac caat caba cabe cabi cac- caca cacc cace caci cack cacr caec caei caer caia caib caic caik cair cait caka cake cara carb carc care cari cark carr cart cat- cata catb catc cate cati catt cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cber cbet cbia cbir cbit cbka cbkr cbre cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccir ccra ccrc ccre ccri ccrt cctb cctc cctt ceac cear ceat ceba cec- ceca cece ceci cect ceeb ceec ceke cer- cera cerc cere ceri cert cet- ceta cete ceti ciaa ciak ciar ciat ciba cibc cibe cibi cica cicc cici cicr cict ciee cier ciia ciii ciit cika cikr cira cirb circ cire ciri cirk cirr cirt cita citb cite citi citt ckac ckat ckbc ckbe ckbi ckck cker ckrc cktb crab crac crai crar crat crbc crca crcc crce crcr cre- crea creb crec cree crei cret cria crib cric crie crik crit crkc crrt crtc ctab ctae ctba ctbi ctca ctec ctia ctic ctrc ctta eaba eaca eacc eaec eara earb eare eart eata eate eati ebac ebba ebbc ebbr ebcc eber ebic ebit ecaa ecac ecai ecar ecat ecbc ecbe ecca eccb eccc ecce ecci ecct ecib ecit ecka ecra ecrc ecri ecrr ect- ecta ectc eeca eeea eeee eeka eeke eera eerc eeta eetc eete eica eick eiec eiei eier eika eike eiki eira eire eita eitb eitc eiti eitr eka- ekab ekeb ekek eker eket ekka ekki ekta erat erba erbb erbe erca ercc erce ereb erec erei erer eret eria eric erie erik erit erke erki erra errc erre erta etai etak etat etbc etbr etcc etec etee eter etic etik etka etra etre etta ette etti i-be iaaa iaac iaai iaat iaba iaca iacc iacr iact iaea iaec iaia iara iarc iare iart iata iatc iate iati ibac ibar ibat ibca ibea ibec ibet ibia ibie ibra ibrc ibri ibtb ibtc icaa icab icac icai icar icat icbc icca iccb iccc icci iccr icct icea icec icee icer icet icke icra icrc icre icrr icrt icta ieac ieat iecc ieet ieie iera iere ieri ieta iett iiac iica iiie iiii iiit iira iirc iita iitr iitt ikar ikat ikea ikee iker ikki ikra ikri irac irae irai irak irar irbe irca ircc iree irer iri- iria iric irie irka irki irra irrc irre irri irta irte irti itaa itac itai itak itar itat itbe itea itec itek iter itet itia itic itie itra itri itta k-ci kaaa kaab kaai kaak kaar kaat kaba kabb kabc kabe kabi kabr kacb kacc kace kaci kact kaei kaer kaet kaia kaib kaic kaie kaii kaik kair kait kaka kakc kake kaki kakk kakt kara karb kare kari kark karr kart kat- kata katb katc kate kati katk katr katt kbaa kbab kbac kbae kbai kbak kbar kbat kbba kbbb kbbc kbbe kbbi kbbk kbbr kbbt kbca kbcb kbce kbci kbck kbcr kbct kbeb kbec kbee kbek kber kbet kbia kbib kbic kbie kbik kbit kbkb kbkk kbkr kbra kbrb kbrc kbre kbri kbrk kbrt kbta kbtb kbtc kbte kbtk kbtr kbtt kcaa kcab kcac kcai kcar kcat kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kcct kcea kceb kcec kcee kcei kcet kcic kcie kcii kcir kcit kckc kckk kckr kcrc kcri kcrr kcrt kcta kctb kctc kcte kcti kea- keak kear keat keba kebb kebc kebe kebi kebr kebt keca keck kecr keek keer keet keib