-hou -ous bbbb bbbs bbhs bblb bbls bhhs bhor bhot bhrt bhur bhut bhuu blbt blhs blls blob bloo blot blou blss blst blts blub blur blus blut bobb bobo bobs bobu bohl boho bohr bohs boht bohu boll bolo bols bolt bolu boob booh bool boor boos boot bor- borh boro borr bors bort boru bosh boso boss bost bosu botb both boto bots bott bouh boul bour bous bout brhs brls brob broh brol broo bror bros brot brou brrr brrs brsb brsr brst bruh brus brut bshs bsos bsts bths btob btor btrt btss bttb btus bubb bubo bubs bubu buhl buho buhr buhs bulb bull buls bult bulu buol bur- burb burh burl buro burr burs burt buru bush buss bust busu but- buto buts butt buus hbbs hbhs hbos hbrs hbss hbtl hbtu hhhh hhhs hhus hlhs hlss hlul hobo hobs hohl hoho hol- holb holh holl holo hols holt holu hool hoor hoos hoot horl horo horr hors hort hosh hoss host hotb hoth hotl hoto hotr hots hott hotu hour hout hrbl hrhs hrob hros hrso hrtb hshs hsls hsob hsts hsur hths htoh htol httr hubb hubl hubo hubs huhs huhu hull huls hult hulu huor huos huot hurl huro hurr hurs hurt huru hush huso huss hust huth huto huts hutt hutu huub huus lbhs lblr lbos lbrs lbrt lhbs lhhh lhhs lhor lhss llbs llhs llll lloo lob- lobb lobh lobo lobs loho lohr lohs lohu loll lolo lols loob lool loor loos loot loro lors losh loso loss lost loth lotl loto lotr lots lott louh loul lour lous lout louu lrhs lrrr lrst lrts ls-r lsbu lshs lsoh lsso lssr lsts ltbl lthr lths ltrs ltsr lttr lubs luhu lull lulu luoh lurs lurt lush luso luss lust luth luts obbo obhs obls oblu obol obor obos obot obrh obro obsr obss obst obts obuh obus ohho ohhs ohob ohoh ohos ohso ohss ohto ohtu ohus olbo ollo olor olos olot olsh olst oltu olur ooho oohs oolo oooh oooo ooos oort oost ootb oots oous orbb orbo orbs orbu orhs orlo orlu oro- oror oros orot orro orrs orso orsu orth orto orts orub orus osho oshs oshu oslo osoo osor osos osro ossb osso ossu ostr osts osul otbs otho othr oths oto- otoh otoo otor otos otro otrs otso otsu otto otts ottu otur otus oubs ouls oulu our- ouro ours ourt oust out- outb outh outo outs ouu- rbbb rbbr rbbs rbhs rboh rbsl rbss rbst rhhs rhls rhob rhoh rhos rhus rlls rlsh rob- robb robo robs robt robu rohl rohr rohs rohu roll rolo rolt roob rool roor roos root roro rort roru rosh roso ross rost roth rotl roto rotr rots rott roub rouh roul rous rout rrhs rrrr rshs rsos rssl rsts rstu rths rtls rtlt rtss rtts rubb rubs rubu ruhh ruhl ruhr ruhs rull rulo ruro rurs ruru rush ruso russ rust rusu ruth rutl ruto ruts rutt rutu s-os sbbs sbhs sbor sbot sbst sbus shbs shbt shhh shhs shl- shls shoo shor shos shot shou shrs shts shub shul shur shus shut shuu slhs slob sloh sloo slos slot slrs slst slsu slts slub slur slut sobo sobr sobs sobt sobu sohh sohl soho sohs sohu solh soll solo solr sols solt sool soor soos soot sorb sorh soro sorr sors sort soru sosh soso soss sost soth sotl soto sots sotu soul sour sous sout srhs sros srtr srub ssbr sshl sshs sslt ssot ssrl ssrs sssb sssh ssss sstb ssth sstl ssts stbs sths stlh stlo stlt stob stol stoo stor stos stot stou stro strs stru stss sttr stub stul stur stus stut sub- subb subh subl subo subs suhb suhl suho suhr sul- sulh sull sulo sult sulu suoh suor suos sur- suro surr surs surt suru sus- suso suss sust susu suto sutu suus tbbs tbhs tbrb tbst thbs thoo thor thos thot thou thro thru thsr thss thtb thtr thts thul thur thus tlos tlrs tobo tobs tobt tobu toho tohu tol- toll tolo tolt tolu tooh tool toor toos toot toro torr tors tort toru tosb tosh toso toss tost tosu toth toto totr tots tott touh toul tour tous tout trhs troo tros trot trou trst trtr trub trus trut truu tshb tshs tsob tsol tsos tsou tssr tsst tsts ttbb ttss tttt ttul tubb tubo tubr tubs tubu tuhs tuht tuhu tull tulo tulu tuor tuos turb turo turr turs turt turu tush tuss tust tutl tuto tuts tutt tutu tuuo ubbo ublo ubls ubos uhoh uhrs uhss uhuh ullo ullr ulo- ulos ulto ults ultt ulul ulus uor- urbs urho urls uro- urol uroo urrh urso urss ursu urth urts urur urus urut usbl usbr usbs usho ushr ushs ushu uslu usos ussb ussr usss usst ussu ustb usto usts usul usus utor utsl utto uttu uulu uuuu