bbbb bbbs bbdd bdsd bdsm bmdb bmts bmus bnss bntm bsbd bsms bsmt bsnd bsns bssd bssm bsts btdt btss bttb btus bubb bubs bubu budb budd buds budu bum- bumb bums bunb bund bunn buns bunt bunu buss bust busu but- buts butt buus dbms dbss dbtt dbus dddd ddss ddts ddub dmds dmdt dmss dmst dmtn dmts dmus dntt dnus dnut dsdm dsmb dsms dssn dsst dstn dsts dtnb dtss dub- dubb dubs dubu dudd duds dudu dumb dumm dums dunn duns dunt dust duts duut mbbs mbdb mbms mbus mddm mdds mdnt mdsd mdst mdud mmdb mmds mmmd mmmm mmms mmsd mmst mmsu mmts mmun mmus mnbb mntb mntn msdn msmb msmm msms msmu mssm msst msts msud msun msus mtbd mtbs mtns mtnt mtss mtst mtts mubs mudd muds mudu mumm mums mumu mund munn muns munt munu musd muss must musu muts mutt mutu muut ndbm nddb ndnt ndss ndut nmds nmnt nmtb nndb nnmt nnnn nnss nntn nsbm nsds nsdt nsmb nssb nsss nstd nsts nstu nsub ntds ntnd ntnu ntsb ntss ntsu nttm nubs nudd numb numm nums numt numu nunn nuns nunt nuss nust nusu nuts nutt nutu sbbs sbds sbsd sbst sbtn sbus sdds sdms sdsm sdss sdsu sdtm smsd smsn smss smtd smtn smtu smus smut snns snsd snub snum snus ssbn ssdd ssdm ssns sssb sssm ssss sstb sstd ssts stbd stbs stdm stds stms stmt stnd stnn stns stsm stss sttd stub stud stum stun stus stut sub- subb subd subm subs sudd suds sum- sumd sums sumu sun- sunb sund sunn suns sunt sunu sus- susd suss sust susu sutu suum suus tbbs tbst tddb tdss tmnt tmtt tndd tnts tnut tsbd tsdb tssm tsst tstm tsts tsum tsun ttbb ttms ttss tttt tubb tubs tubu tudu tumb tums tumu tunb tund tunn tuns tunu tusd tusm tuss tust tuts tutt tutu tuum ubud udds udsd udts udun umb- umms umsu umts umus umut unbd unds unns uns- unst untb unts unum unus unut usbs usdm usds usdt usmd usmm usms usnu ussb usss usst ussu ustb ustm usts usun usus utmb uttu uuuu