-ase a-be a-ii aaaa aaab aaac aaae aaai aaas aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aacs aact aaea aaec aaes aaib aaic aaii aais aasa aasc aase aasi aass aast aata aatc aatt abaa abab abac abae abai abas abat abb- abba abbb abbe abbi abbs abbt abca abcb abcc abci abcs abct abec abee abes abet abia abib abic abie abis abit abs- absa abse absi abss abta abts ac-t acaa acab acac acae acai acas acat acba acca accc acce acci accs acct ace- acea acec aces acet aci- acia acic acie acis acsa acsc acse acsi acss acst acta actc acte acti acts actt aeac aeas aebi aebs aecb aeci aect aeit aesc aess aest aeta aetc aett aiai aias aiba aica aicc aice aics aiea aiee aiet aiia aiib aiic aisa aisb aise aisi aist aita aite aiti aits aitt asaa asab asac asae asai asas asat asba asc- asca ascb ascc asce asci asct asea asec asee ases aset asia asic asie asii asis asit assa assc asse assi asss asst asta astb astc aste asti asts at-t ataa atab atac atae atai atas atat atbs atca atcc atcs atea atec atee atei ates atia atic atie atis atit atsb atsc atse atsi atst atta atte atti atts ba-i baaa baas baat baba babb babe babi babs bac- baca bacc bace baci bacs bact baes baia baib baic baie bais bait basa basc base basi bass bast bata batc bate bati bats batt bbas bbbb bbbs bbci bbeb bbet bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcec bces bcet bcia bcie bcis bcit bcsa bcsc bcss bctc bcts beas beat beba bebb bebe bebi beca beci becs beeb bees beet beia beic beis beit bes- besa bese bess best beta betc bete beti bets bett bias biat biba bibb bibe bibi bibs bica bicc bice bici bics bieb bies biet biis bis- bisa bisc bise biss bist bita bitc bite bits bitt bsaa bsac bsas bsat bsci bscs bsea bseb bsec bsee bses bset bsic bssc bsse bsts btaa btcc btcs btec btie btss bttb caaa caab caac caas caat caba cabe cabi cabs cac- caca cacc cace caci caec caei caes caia caib caic cais cait casa casb casc case casi cass cast cat- cata catb catc cate cati cats catt cbac cbat cbbc cbbs cbca cbcc cbce cbcs cbct cbea cbec cbee cbet cbia cbit cbsa cbsc cbse cbsi cbta cbtc ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccee ccic ccii ccis ccsa ccsi ccss ccst cctb cctc cctt ceac ceas ceat ceba cebs cec- ceca cece ceci cecs cect ceeb ceec cees cesa cesc cese cesi cess cest cet- ceta cete ceti cets ciaa cias ciat ciba cibc cibe cibi cica cicc cici cics cict ciee cies ciia ciii ciis ciit cis- cisa cisc cise ciss cist cita citb cite citi cits citt csaa csab csac csas csat cscb cscc csce csci cscs csea csec csee cset csia csib csis csit cssa csse csta cstc csts ctab ctae ctba ctbi ctbs ctca ctec ctia ctic ctsa ctsc ctss ctta ctts eaba eaca eacc eaec easa ease easi east eata eate eati eats ebac ebba ebbc ebbs ebcc ebes ebic ebis ebit ebsa ecaa ecac ecai ecat ecbc ecbe ecca eccb eccc ecce ecci ecct eces ecib ecis ecit ecsa ecsc ecse ecss ect- ecta ectc ects eeca eecs eeea eeee eees eese eesi eeta eetc eete eets eica eics eiec eiei eies eisa eise eiss eist eita eitb eitc eiti esab esac esai esas esat esba esbs esca escb esce esci escs esea esee eses eset esie esis esit essa esse essi esst esta estc este ests etai etas etat etbc etcc etcs etec etee etes etic etsi etta ette etti i-be iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iaea iaec iaia iais iasa iasc iasi iata iatc iate iati ibac ibas ibat ibca ibcs ibea ibec ibes ibet ibia ibie ibis ibsa ibss ibtb ibtc ibts icaa icab icac icai icas icat icbc icbs icca iccb iccc icci iccs icct icea icec icee ices icet icis icsa icsb icsc icse icsi icss icst icta icts ieac ieat iecc ieet ieie iesa iesc iesi iest ieta iett iiac iias iica iies iiie iiii iiis iiit iisc iisi iist iita iitt is-a isac isae isai isas isat isba isbe isbt isca iscc isci iscs isct isea iseb isec isee ises iset isia isic isie isis isit issa issc isse issi isss ista istc iste isti ists itaa itac itai itas itat itbe itbs itcs itea itec ites itet itia itic itie itis itsa itse itsi itta s-ib s-ic s-ii sa-c saab saac saae saas saat saba sabb sabc sabe sabi sabs saca sacc sace saci sacs sact saeb saes saia saic saie sais sait sasa sasc sase sasi sass sast sata satb satc sate sati sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbse sbsi sbst sbtc scaa scab scac scai scas scat scba scbi sccc scce sccs scct scea scec scee scet sci- scia scic scie scis scit scsa scsc scsi scst sctc scts se-c se-e se-i se-s se-t seaa seab seac seas seat seba sebe sebi sebs sebt sec- seca secc sece secs sect seea seeb seec sees seet seia seie seii seis seit sesa sesc sese sesi sess sest set- seta setc sete seti sets sett siaa siab siac siae siai sias siat siba sibc sibe sibi sibs sica sicc sice sici sics siec sies siit sisa sisc sise sisi siss sist sit- sita sitc site siti sits sitt ssaa ssab ssac ssas ssat ssca sscc ssce ssci sscs ssec ssee sses sset ssis ssit sssa sssb sssc sssi ssss ssta sstb sstc ssts stab stac stae stai stas stat stbc stbs stca stcc stcs stea stec stee stes stet stia stib stic stie stis stit stsi stss sttc