-ase a-be a-ii aaaa aaab aaae aaai aaas aaba aabb aabi aabt aaea aaes aaib aaii aais aasa aase aasi aass aast aata aatt abaa abab abae abai abas abat abb- abba abbb abbe abbi abbs abbt abee abes abet abia abib abie abis abit abs- absa abse absi abss abta abts aeas aebi aebs aeit aess aest aeta aett aiai aias aiba aiea aiee aiet aiia aiib aisa aisb aise aisi aist aita aite aiti aits aitt asaa asab asae asai asas asat asba asea asee ases aset asia asie asii asis asit assa asse assi asss asst asta astb aste asti asts at-t ataa atab atae atai atas atat atbs atea atee atei ates atia atie atis atit atsb atse atsi atst atta atte atti atts ba-i baaa baas baat baba babb babe babi babs baes baia baib baie bais bait basa base basi bass bast bata bate bati bats batt bbas bbbb bbbs bbeb bbet beas beat beba bebb bebe bebi beeb bees beet beia beis beit bes- besa bese bess best beta bete beti bets bett bias biat biba bibb bibe bibi bibs bieb bies biet biis bis- bisa bise biss bist bita bite bits bitt bsaa bsas bsat bsea bseb bsee bses bset bsse bsts btaa btie btss bttb eaba easa ease easi east eata eate eati eats ebba ebbs ebes ebis ebit ebsa eeea eeee eees eese eesi eeta eete eets eiei eies eisa eise eiss eist eita eitb eiti esab esai esas esat esba esbs esea esee eses eset esie esis esit essa esse essi esst esta este ests etai etas etat etee etes etsi etta ette etti i-be iaaa iaai iaas iaat iaba iaea iaia iais iasa iasi iata iate iati ibas ibat ibea ibes ibet ibia ibie ibis ibsa ibss ibtb ibts ieat ieet ieie iesa iesi iest ieta iett iias iies iiie iiii iiis iiit iisi iist iita iitt is-a isae isai isas isat isba isbe isbt isea iseb isee ises iset isia isie isis isit issa isse issi isss ista iste isti ists itaa itai itas itat itbe itbs itea ites itet itia itie itis itsa itse itsi itta s-ib s-ii saab saae saas saat saba sabb sabe sabi sabs saeb saes saia saie sais sait sasa sase sasi sass sast sata satb sate sati sats satt sbaa sbai sbas sbbs sbia sbsa sbse sbsi sbst se-e se-i se-s se-t seaa seab seas seat seba sebe sebi sebs sebt seea seeb sees seet seia seie seii seis seit sesa sese sesi sess sest set- seta sete seti sets sett siaa siab siae siai sias siat siba sibe sibi sibs sies siit sisa sise sisi siss sist sit- sita site siti sits sitt ssaa ssab ssas ssat ssee sses sset ssis ssit sssa sssb sssi ssss ssta sstb ssts stab stae stai stas stat stbs stea stee stes stet stia stib stie stis stit stsi stss taa- taas taat taba tabb tabe tabi tabs taes taia tais tait tasa tasb tase tasi tass tast tata tatb tate tati tats tatt tbas tbbs tbit tbst tbta teas teat teba tees teet teia teie teis tesa tese tess test teta tete teti tets tett tiaa tiab tias tiba tibi tibs tie- tiea tiee tiei ties tiet tiit tisa tisb tise tisi tiss tist tita tite titi tits titt tsaa tsai tsat tses tset tsia tsis tssa tsse tssi tsst tsts ttab ttbb ttss tttt