bbbb bbbs bbeb bbet bbws bebb bebe beeb bees beet bes- bese bess best bete bets bett betu betw bewe bseb bsee bses bset bsse bsts btss bttb btus bubb bube bubs bubu bueu buse buss bust busu but- bute buts butt buus buwe ebbs ebbw ebes ebus eeee eees eese eete eets eetu esbs esee eses eset esse esst essu este ests esus esws etee etes etsu ette ettu euse euwe ewes ewew ewte ewts sbbs sbse sbst sbus se-e se-s se-t se-u se-w sebe sebs sebt seeb sees seet seeu seew sese sess sest set- sete sets sett sewe sews sewu ssee sses sset sssb ssss sstb ssts ssws stbs stee stes stet stew stss stub stue stus stut stwe sub- subb subs suee sues suet sueu sus- suse suss sust susu sute sutu suus suwe suwu swbs swbw sweb swee swet swss swte swts tbbs tbst tebu tees teet tese tess test tete tets tett tetu teut tews tses tset tsse tsst tsts tswe ttbb ttss tttt tubb tube tubs tubu tues tuet tuss tust tute tuts tutt tutu twbt twee twss ubbe ubet uess uewe usbe usbs usee uses uset ussb usse usss usst ussu ustb uste usts usus utes uttu utwe uuuu wbbb wbbe wbbs wbbt wbbw wbeb wbes wbet wbew wbsb wbss wbst wbsu wbsw wbte wbts wbtt wbtu wbtw wbus wbut wbuw wbwb wbwt webb webe webs webt weeb wees weet weeu wesb wese wess west wesu wetb wete wets wett wetu wewe wsbb wsbs wsbt wsbu wsbw wseb wses wset wsew wsss wsst wssu wssw wstb wsts wstt wstu wstw wsue wsus wsuw wswb wsws wswt wsww wtbb wtbs wtbu wtsb wtse wtss wtsu wttb wtte wtts wttt wttu wttw wtue wtwb wtws wtwt wtww wubb wubt wubu wusb wuss wust wusu wusw wutb wute wuts wutu wuub wuuu wuwe wwbb wwbt wwbu wweb wwet wwsb wwse wwss wwst wwsu wwtw wwus wwwe wwws wwww