bbbb bbbs bbeb bbet bbws bebb bebe bebi beeb bees beet beis beit bes- bese bess best bete beti bets bett betw bewe bibb bibe bibi bibs bieb bies biet biis bis- bise biss bist bite bits bitt biw- bseb bsee bses bset bsse bsts btie btss bttb ebbs ebbw ebes ebis ebit eeee eees eese eesi eete eets eiei eies eise eiss eist eitb eiti esbs esee eses eset esie esis esit esse essi esst este ests esws etee etes etsi ette etti ewes ewew ewte ewts i-be ibes ibet ibew ibie ibis ibss ibtb ibts ieet ieie iesi iest iett iies iiie iiii iiis iiit iisi iist iitt iiwi isbe isbt iseb isee ises iset isie isis isit isse issi isss iste isti ists itbe itbs ites itet itie itis itse itsi itwe iweb iwie iwis iwiw s-ib s-ii sbbs sbse sbsi sbst se-e se-i se-s se-t se-w sebe sebi sebs sebt seeb sees seet seew seie seii seis seit sese sesi sess sest set- sete seti sets sett sewe sews sibe sibi sibs sies siew siit sise sisi siss sist sit- site siti sits sitt siwe siwi ssee sses sset ssis ssit sssb sssi ssss sstb ssts ssws stbs stee stes stet stew stib stie stis stit stsi stss stwe swbs swbw sweb swee swet swie swis swit swss swte swts tbbs tbit tbst tees teet teie teis tese tess test tete teti tets tett tews tibi tibs tie- tiee tiei ties tiet tiew tiit tisb tise tisi tiss tist tite titi tits titt tiwi tses tset tsis tsse tssi tsst tsts tswe ttbb ttss tttt twbt twee twei twi- twib twie twis twit twss wbbb wbbe wbbi wbbs wbbt wbbw wbeb wbei wbes wbet wbew wbib wbie wbis wbiw wbsb wbss wbst wbsw wbte wbti wbts wbtt wbtw wbwb wbwi wbwt webb webe webs webt weeb weei wees weet weib weie weii weis weit wesb wese wess west wetb wete wets wett wewe wibb wibi wibs wibt wibw wies wiii wiis wiit wise wiss wist wisw wite witi wits witt wiwi wsbb wsbi wsbs wsbt wsbw wseb wsei wses wset wsew wsib wsie wsis wssi wsss wsst wssw wstb wsts wstt wstw wswb wswi wsws wswt wsww wtbb wtbi wtbs wtib wtie wtis wtsb wtse wtss wttb wtte wtti wtts wttt wttw wtwb wtws wtwt wtww wwbb wwbt wweb wwei wwet wwib wwii wwis wwsb wwse wwsi wwss wwst wwti wwtw wwwe wwwi wwws wwww