a-be a-ii aaaa aaab aaac aaae aaaf aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aacf aaci aacr aact aaea aaec aafa aafb aafc aaff aafi aaib aaic aaii aara aarc aare aari aart aata aatc aatf aatt abaa abab abac abae abaf abai abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abcf abci abcr abct abec abee aber abet abff abia abib abic abie abir abit abra abrc abri abta ac-t acaa acab acac acae acai acar acat acba acca accc acce accf acci acct ace- acea acec acer acet acfc acfe acfi acft aci- acia acic acie acif acir acr- acra acrc acre acri acrr acta actc acte actf acti actt aeac aeaf aebi aecb aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetf aetr aett afaa afar afat afca afcb afcc afci afee afer afet affa affc affi afft afia afib afif afir afit afr- afra afrc afre afri afta aftc afte aiai aiba aica aicc aice aicf aicr aiea aiee aiet aiff aiia aiib aiic aiir aira aire airi airt aita aite aitf aiti aitr aitt arab arac arae araf arai arar arat arba arbe arbi arc- arca arce arci arct area arec aree aref arei aret arfa arfb arfc arff arft aria arib arie arif arii arit arr- arra arrc arre arri arrr arrt arta artc arte arti artr at-t ataa atab atac atae atai atar atat atca atcc atcf atcr atea atec atee atef atei ater atfb atfc atfe atia atic atie atif atit atra atrc atre atri atta atte atti attr ba-i baaa baaf baar baat baba babb babe babi babr bac- baca bacc bace baci bact baer bafc baff baft baia baib baic baie bair bait bar- bara barb barc bare barf bari barr bart bata batc bate batf bati batt bbbb bbci bbeb bbet bbfc bbrc bcaa bcar bcat bcbc bcca bccc bcci bcec bcer bcet bcfc bcia bcie bcit bcra bctc beaf bear beat beba bebb bebe bebi beca beci beeb beef beer beet befa befe beff beft beia beic beir beit bera berc bere beri berr bert beta betc bete beti bett bfca bfta bftt biaf biar biat biba bibb bibe bibi bica bicc bice bici bieb bief bier biet bifa biff bifi bira birb bire biri birr birt bita bitc bite bitt brab brac brae braf brai brat brca brcb brce brea breb brec bree bref brei brer bret brfc bria bric brie brit brrr brtc btaa btaf btcc btec btfc btie btrc btrt bttb caaa caab caac caaf caat caba cabe cabf cabi cac- caca cacc cace caci cacr caec caei caer cafa cafb cafc cafe caff caia caib caic cair cait cara carb carc care carf cari carr cart cat- cata catb catc cate catf cati catt cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cbef cber cbet cbfb cbfc cbia cbir cbit cbre cbrt cbta cbtc cbtf ccaa ccab ccac ccaf ccai ccar ccat ccba ccbc ccca cccb cccc cccf ccci ccee ccfa ccfc ccff ccfi ccic ccii ccir ccra ccrc ccre ccrf ccri ccrt cctb cctc cctt ceac cear ceat ceba cec- ceca cece ceci cect ceeb ceec cef- cefa cefc cer- cera cerc cere cerf ceri cert cet- ceta cete ceti cfaa cfab cfac cfae cfar cfbc cfbr cfbt cfca cfcb cfcf cffb cffr cfia cfit cfra cfrb cfre cfrt cfta cftc cfte cftr ciaa ciar ciat ciba cibc cibe cibi cica cicc cici cicr cict ciee cier cifa cife ciff ciia ciii ciit cira cirb circ cire ciri cirr cirt cita citb cite citf citi citt crab crac craf crai crar crat crbc crca crcc crce crcr cre- crea creb crec cree crei cret crfc cria crib cric crie crif crit crrt crtc crtf ctab ctae ctba ctbi ctca ctcf ctec ctfc ctia ctic ctrc ctta eaaf eaba eaca eacc eaec eafb eaif eara earb eare eart eata eate eati ebac ebba ebbc ebbr ebcc eber ebfc ebic ebit ecaa ecac ecai ecar ecat ecbc ecbe ecca eccb eccc ecce ecci ecct ecef ecfa ecfc ecfr ecib ecit ecra ecrc ecrf ecri ecrr ect- ecta ectc ectf eeca eeea eeee eefa eefe eera eerc eeta eetc eete efab efbr efca efet effa effi efic efit eft- efta eica eiec eiei eier eira eire eita eitb eitc eiti eitr eraf erat erba erbb erbe erca ercc erce ereb erec erei erer eret erfc erft eria eric erie erit erra errc erre erta etai etat etbc etbr etcc etec etee eter etfa etfb etfc etfe etic etra etre etta ette etti faaa faac faba fabe fabi faca facc face fact faeb fafa fafc fafe faff fafi faie fair fait fara farb farc fare farr fart fata fatc fate fatf fati fatt fbar fcab fcar fcat fcba fcca fccf fcic fcii fcra feaf fear feat feba fece fect feeb feer feet fefc fefe feff fefi feia feie feir feit fera ferb ferc fere ferr fert feta fete feti fetr fett ffar ffcc ffee ffff ffii ffrr fftf fiaa fiac fiaf fiar fiat fiba fibe fica ficc fice fict fiec fief fier fifa fifc fife fiff fifi fift fiii fira fire fita fitc fite fiti fitt frab frac frae frat frbc frcc frea free frei fret frfc fria frib fric frie frit frta ft-c ftea fter ftfc ftii i-be iaaa iaac iaai iaat iaba iaca iacc iacr iact iaea iaec iafc iafe iaff iaia iara iarc iare iart iata iatc iate iati ibac ibar ibat ibca ibea ibec ibet ibfi ibia ibie ibra ibrc ibri ibtb ibtc icaa icab icac icaf icai icar icat icbc icca iccb iccc iccf icci iccr icct icea icec icee icef icer icet icfb icra icrc icre icrf icrr icrt icta ieac ieat iecc ieet ieie iera iere ieri ieta ietf iett ifaa ifac ifae ifar ifat ifbb ifer ific ifit ifra ifrb ifrf ifri ifta iiac iica iifa iiie iiii iiit iira iirc iita iitr iitt irac