wass wast wasu wata watb wato watr wats watt watw waub waur waus waut wawa wawb wawo waws wawt wbaa wbab wbar wbat wbau wbbb wbbo wbbr wbbs wbbt wbbw wbob wbor wbos wbow wbrb wbrr wbrs wbrt wbru wbrw wbsa wbsb wbsr wbss wbst wbsu wbsw wbta wbto wbtr wbts wbtt wbtu wbtw wbus wbut wbuw wbwb wbwo wbwt woaa woab woar woas woat woba wobb wobo wobt woob woos woot woow wora worb woro worr wors wort worw wosa woso woss wost wosu wosw wotb wotr wots wott wotw woub wour wous wout wouw wowb wowo wows wowt woww wraa wrab wrao wrar wras wrat wrau wraw wrba wrbb wrbo wrbs wrbt wrbu wrbw wroa wrob wroo wros wrot wrow wrra wrrb wrro wrrs wrrw wrsa wrsb wrso wrsr wrss wrsw wrta wrtb wrto wrtr wrts wrtu wrtw wrua wrub wrus wrwa wrwb wrwr wsaa wsar wsat wsau wsba wsbb wsbr wsbs wsbt wsbu wsbw wsob wsoo wsor wsos wsou wsra wsrb wsro wsrs wsrt wsru wsrw wssr wsss wsst wssu wssw wsta wstb wsto wstr wsts wstt wstu wstw wsua wsur wsus wsuw wswb wswr wsws wswt wsww wtab wtar wtaw wtbb wtbo wtbr wtbs wtbu wtob wtor wtot wtou wtow wtrb wtro wtrs wtrt wtru wtrw wtsa wtsb wtso wtsr wtss wtsu wtta wttb wtto wttr wtts wttt wttu wttw wtua wtwa wtwb wtwo wtwr wtws wtwt wtww wuab wuas wuat wuaw wuba wubb wubr wubt wubu wuot wur- wura wurb wurt wusa wusb wuso wusr wuss wust wusu wusw wutb wutr wuts wutu wuub wuuu wuwa wwab wwba wwbb wwbr wwbt wwbu wwor wwos wwot wwow wwra wwrb wwrr wwru wwrw wwsb wwsr wwss wwst wwsu wwta wwtr wwtw wwus wwwa wwwr wwws wwww