bbbb bbbs bbeb bbet bbws bebb bebe beeb bees beet bes- bese bess best bete bets bett betw bewe bseb bsee bses bset bsse bsts btss bttb ebbs ebbw ebes eeee eees eese eete eets esbs esee eses eset esse esst este ests esws etee etes ette ewes ewew ewte ewts sbbs sbse sbst se-e se-s se-t se-w sebe sebs sebt seeb sees seet seew sese sess sest set- sete sets sett sewe sews ssee sses sset sssb ssss sstb ssts ssws stbs stee stes stet stew stss stwe swbs swbw sweb swee swet swss swte swts tbbs tbst tees teet tese tess test tete tets tett tews tses tset tsse tsst tsts tswe ttbb ttss tttt twbt twee twss wbbb wbbe wbbs wbbt wbbw wbeb wbes wbet wbew wbsb wbss wbst wbsw wbte wbts wbtt wbtw wbwb wbwt webb webe webs webt weeb wees weet wesb wese wess west wetb wete wets wett wewe wsbb wsbs wsbt wsbw wseb wses wset wsew wsss wsst wssw wstb wsts wstt wstw wswb wsws wswt wsww wtbb wtbs wtsb wtse wtss wttb wtte wtts wttt wttw wtwb wtws wtwt wtww wwbb wwbt wweb wwet wwsb wwse wwss wwst wwtw wwwe wwws wwww