-hou -ous bbbb bbbs bbhs bblb bbls bhhs bhor bhur bhuu blhs blls blno blob blon bloo blou blss blub blur blus bnhs bnor bnrr bnss bobb bobo bobs bobu bohl bohn boho bohr bohs bohu boll boln bolo bols bolu bonn bono bons bonu boob booh bool boon boor boos bor- borh born boro borr bors boru bosh bosn boso boss bosu bouh boul boun bour bous brhs brls brno brns brob broh brol bron broo bror bros brou brrr brrs brsb brsr bruh brun brus bshs bsns bson bsos bubb bubo bubs bubu buhl buho buhr buhs bulb bull buls bulu bunb bunn buno buns bunu buol buon bur- burb burh burl burn buro burr burs buru bush buss busu buus hbbs hbhs hbos hbrs hbss hhhh hhhs hhus hlhs hlss hlul hnhs hobo hobs hohl hohn hoho hol- holb holh holl holn holo hols holu hono hons honu hool hoon hoor hoos horl horn horo horr hors hosh hoss hour hrbl hrhs hrob hron hros hrso hrun hshs hsls hsob hson hsur hubb hubl hubo hubs huhn huhs huhu hull huls hulu hunh huns huon huor huos hurl hurn huro hurr hurs huru hush huso huss huub huus lbhs lblr lbos lbrs lhbs lhhh lhhs lhor lhss lhun llbs llhs llll lloo lnhs lnso lob- lobb lobh lobo lobs lohn loho lohr lohs lohu loll lolo lols lono lonr lons loob lool loon loor loos lorn loro lors losh loso loss louh loul loun lour lous louu lrhs lron lrrr ls-r lsbu lshs lsoh lson lsso lssr lubs luhu lull lulu lunn luno luns luoh lurs lush luso luss nbbo nbhs nhhl nhhs nhnn nhon nlhs nlls nlrb nnhs nnls nnnn nnos nnsl nnss nobo nobs nobu nohn noho nohs noll nolo nols non- nonn nono nons nonu noo- noob nool noon nooo noor noos nor- norb norn noro norr nors nos- nosh noss nosu nouh noul noun nour nous nrhs nrlb nron nrrl nsbo nshs nslr nsls nsnr nsos nsou nsrl nssb nsso nssr nsss nsub nubl nubs null nunn nuno nuns nuon nurl nurn nurr nurs nuru nush nusl nuss nusu obbo obhs obls oblu obol obon obor obos obrh obro obsn obsr obss obuh obus ohho ohhs ohno ohob ohoh ohos ohrn ohso ohss ohus olbo ollo olon olor olos olsh olur onno onon onor onos onso onur onus ooho oohs oolo oons oooh oooo ooos oous orbb orbo orbs orbu orhs orlo orlu orno orns oro- oron oror oros orro orrs orso orsu orub orus osho oshs oshu oslo osno osnr osoo osor osos osro ossb osso ossu osul osun oubs ouls oulu oun- our- ourn ouro ours ouu- rbbb rbbr rbbs rbhs rboh rbsl rbss rhhs rhls rhob rhoh rhon rhos rhun rhus rlls rlsh rnbr rnhl rnsh rob- robb robo robs robu rohl rohn rohr rohs rohu roll rolo rono rons roob rool roon roor roos roro roru rosh roso ross roub rouh roul roun rous rrhs rrrr rrun rshs rsnn rsno rsnr rsos rssl rubb rubs rubu ruhh ruhl ruhn ruhr ruhs rull rulo runn runo runs ruro rurs ruru rush ruso russ rusu ruun s-os sbbs sbhs sbor sbus shbs shhh shhs shl- shls shon shoo shor shos shou shrs shub shul shun shur shus shuu slhs slln slob sloh slon sloo slos slrn slrs slsu slub slur snhs snns snob snoo snor snos snrs snub snur snus sobo sobr sobs sobu sohh sohl sohn soho sohs sohu solh soll soln solo solr sols son- sono sons sonu sool soon soor soos sorb sorh sorn soro sorr sors soru sosh soso soss soul soun sour sous srhs srnn srno sros srub ssbn ssbr sshl sshs ssns ssrl ssrs sssb sssh ssss sub- subb subh subl subo subs suhb suhl suho suhr sul- sulh sull sulo sulu sun- sunb sunn suno suns sunu suoh suor suos sur- surn suro surr surs suru sus- suso suss susu suus ubbo ublo ubls ubon ubos uhno uhoh uhrs uhss uhuh ullo ullr ulno ulo- ulos ulul ulus unno unns unon unos unro unrs uns- unso unus uor- urbs urho urls urns uro- urol uroo urrh urso urss ursu urun urur urus usbl usbr usbs usho ushr ushs ushu uslu usno usnr usnu usos ussb ussr usss ussu usul usun usus uulu uuno uuuu