-ous bbbb bbbs bbfn bblb bbls bbwr bbws bffl bffs bfsr blls blno blob blon bloo blou blow blss blub bluf blur blus blw- bnor bnrr bnss bobb bobo bobs bobu bobw boff bofs bofu boll boln bolo bols bolu bonn bono bons bonu boob boof bool boon boor boos boow bor- borf born boro borr bors boru borw bosn boso boss bosu bouf boul boun bour bous bouw bowl bown bowr bows brfu brls brno brns brob brol bron broo bror bros brou brow brrr brrs brsb brsr brun brus bsff bsfs bsns bson bsos bubb bubo bubs bubu buff bufo bufr bulb bull buls bulu bunb bunn buno buns bunu buol buon bur- burb burl burn buro burr burs buru buss busu buus fbrs fbus ffff ffrr ffss ffun flnb flob flon floo flor flos flou flow flub fluf fluo flur flus fnrs fnuf fobs fofo foll folo folr fols fono fons foof fool foon foos for- forb forl forn foro forr fors fosb foso foss foul foun four fous fowl frns frob frol fron fros frou frow frsb frso frub frun fsfo fsln fssf fubb fubs fubu fuff fufu full fuls fulu funf funs fuor fur- furl furn furo furr furs fuso fuss fusu lblr lbos lbrs llbs llll llnw lloo lnfs lnso lob- lobb lobo lobs loff lofn loll lolo lols lono lonr lons loob loof lool loon loor loos lorn loro lors loso loss loul loun lour lous louu louw lowb lowl lown lowr lows lowu loww lron lrrr ls-r lsbu lsfw lsof lson lsso lssr lubs luff lufu lull lulu lunn luno luns lurs luso luss luwo luwr luwu lwoo lwow nbbo nbfl nbuf nfff nfon nfrs nfsr nfsu nlls nlow nlrb nnls nnnn nnos nnsl nnss nobo nobs nobu nolf noll nolo nols non- nonn nono nons nonu nonw noo- noob nool noon nooo noor noos nor- norb norf norn noro norr nors norw nos- noss nosu noul noun nour nous nowl nown nows nrlb nron nrrl nsbo nsfs nsfw nslr nsls nsnr nsof nsos nsou nsrl nssb nssf nsso nssr nsss nsub nswr nubl nubs nuff nufw null nunn nuno nuns nuon nurl nurn nurr nurs nuru nusl nuss nusu nusw nwbl nwbn nwbw nwsl nwss obbo obls oblu obol obon obor obos obro obsn obsr obss obus off- offo offr offs offu ofno ofor ofus olbo olfs ollo olof olon olor olos olur onlf onno onon onor onos onso onur onus ooff oofs oolo oons oooo ooos oous orbb orbo orbs orbu orff orfs orfu orlo orlu orno orns oro- orof oron oror oros orro orrs orso orsu orub orus orwo oslo osno osnr osoo osor osos osow osro ossb osso ossu osul osun oubs ouff ouls oulu oun- our- ourn ouro ours ouu- owls owns owow owul owur rbbb rbbr rbbs rbsl rbss rffl rlls rnbr rob- robb robo robs robu roff rofl rofo rolf roll rolo rono rons ronw roob roof rool roon roor roos roro roru roso ross roub rouf roul roun rous rowb rowf rowl rown rowr rows roww rrrr rrun rsnn rsno rsnr rsos rssl rubb rubs rubu ruff rufo rull rulo runf runn runo runs ruro rurs ruru ruso russ rusu ruun s-os sbbs sbor sbus sbwr sfls sfnb sfor sfos sfro sfss sfsu sfwu slln slob slon sloo slos slow slrn slrs slsu slub slur snfu snlf snns snob snoo snor snos snow snrs snub snur snus sobo sobr sobs sobu sofo solf soll soln solo solr sols son- sono sons sonu soof sool soon soor soos sorb sorn soro sorr sors soru soso soss souf soul soun sour sous sowf sowl sown sowr sows srnn srno sros srub ssbn ssbr ssfl ssns ssrl ssrs sssb sssf ssss ssws sub- subb subl subo subs suf- suff sufr sufs sufu sul- sulf sull sulo sulu sun- sunb sunn suno suns sunu suor suos sur- surf surn suro surr surs suru sus- suso suss susu suus suwu swbs swbw swfu swob swon swoo swor swow swrl swss ubbo ublo ubls ubon ubos ufos ullo ullr ulno ulo- ulos ulow ulul ulus unlf unno unns unon unos unrf unro unrs uns- unso unus uofl uofo uofw uor- urbs urff urls urns uro- urol uroo urso urss ursu urun urur urus usbl usbr usbs usfl usfs uslu usno usnr usnu usos ussb ussf ussr usss ussu usul usun usus uulu uuno uuuu wbbb wbbf wbbl wbbn wbbo wbbr wbbs wbbw wbfb wbff wbfn wbfo wbfr wbfs wbfw wblb wblf wbll wbln wblo wbls wblu wblw wbnb wbnl wbnr wbns wbnw wbob wbol wbon wbor wbos wbow wbrb wbrf wbrn wbrr wbrs wbru wbrw wbsb wbsf wbsl wbsr wbss wbsu wbsw wbuf wbul wbus wbuw wbwb wbwl wbwn wbwo wfbf wfbl wfbr wfbs wfff wffn wflb wflf wfll wfln wflo wflr wfls wflw wfnb wfnf wfnl wfnn wfno wfnr wfns wfnw wfob wfon wfor wfos wfrb wfrf wfrl wfrn wfro wfrs wfru wfrw wfsb wfso wfsr wfss wfsu wful wfun wfur wfus wfwl wfwn wfwo wlbb wlbf wlbl wlbn wlbr wlbs wlbw wlff wlfl wlfn wlfr wlfs wlfw wllf wlll wlln wllr wllw wlnl wlno wlob wlof wlol wlon wloo wlor wlos wlou wlrb wlrn wlro wlrr wlrs wlrw wlsb wlsn wlso wlsr wlss wlsu wlsw wlub wlun wlur wluw wlwf wlwl wnbb wnbf wnbl wnbn wnbr wnbs wnbu wnbw wnfb wnfl wnfn wnfo wnfr wnlf wnlo wnlr wnnf wnnl wnnr wnns wnnw wnob wnoo wnor wnos wnow wnrn wnrr wnrs wnrw wnsb wnsl wnsn wnsr wnss wnsw wnus wnuw wnwf wnwn wnwr wnws wnww wobb wobl wobn wobo woff wofl wofn wofr wolb wolf woll wolr wols wolw wonb wonn wons wonu wonw woob woof wool woon woos woow worb worf worl worn woro worr wors worw wosf wosl wosn woso woss wosu wosw woub wouf woul wour wous wouw wowb wowf wowl wown wowo wows woww wrbb wrbf wrbl wrbn wrbo wrbs wrbu wrbw wrfb wrff wrfl wrfs wrfu wrfw wrlb wrlf wrll wrlr wrls wrlu wrnb