bbbb bbbs bbdd bbdo bbfn bd-r bdos bdsd bffs bfsr bnor bnrr bnss bobb bobo bobs bodb bodo bods bofd boff bofs bond bonn bono bons boob bood boof boon boor boos bor- bord borf born boro borr bors bosn boso boss brdo brds brno brns brob brod bron broo bror bros brrr brrs brsb brsr bsbd bsff bsfs bsnd bsns bsod bson bsos bsrd bssd d-bo dbfo dbfs dbos dbrn dbrs dbss dddd ddss dfds dfrf dobb dobs dod- dodd dodo dods doff dond donn dono donr dons doob dood doof doon door doos dord dorf dorn doro dorr dors doso doss drno drob drod drof dron drrs dsdr dsos dsrr dssn fbrs fbsd fdos ffff ffrr ffss fndd fndn fndr fnrs fobs fofo fond fono fons food foof foon foos for- forb ford forn foro forr fors fosb foso foss frns frob fron fros frsb frso fsfo fssf nbbo nddb nddo ndor ndos ndrf ndsf ndss nfff nfon nfrs nfsr nndb nnnn nnos nnss nobo nobs nodo nods non- nonn nono nons noo- noob noon nooo noor noos nor- norb nord norf norn noro norr nors nos- noss nrds nron nrrd nsbo nsdf nsds nsfs nsnr nsof nsos nsrd nssb nssf nsso nssr nsss obbo obon obor obos obro obsd obsn obsr obss odbo oddd odds odnb odon odoo odor odos odso ofdr off- offo offr offs ofno ofor ondo onno onod onon onor onos onso ooff oofs oons oooo ooos oord orbb orbo orbs ordn ordo ords orff orfs orno orns oro- orof oron oror oros orro orrs orso osno osnr osoo osor osos osrd osro ossb ossd osso rbbb rbbr rbbs rbds rbsd rbss rdos rdso rfds rnbr rndf rnds rnod rob- robb robo robs rodd rodo rods roff rofo rond rono rons roob rood roof roon roor roos roro roso ross rrrr rsdd rsds rsnn rsno rsnr rsos s-os sbbs sbds sbor sbsd sdds sdrs sdsf sdss sfnb sfor sfos sfro sfss snns snob snod snoo snor snos snrs snsd sobo sobr sobs sodd sodo sods sofo son- sond sono sons sood soof soon soor soos sorb sord sorn soro sorr sors soso soss srnn srno sros srsd ssbn ssbr ssdd ssdf ssns ssrs sssb sssf ssss