-hou -ous bbbb bbbs bbhs bhhs bhot bhut bhuu bkhs bobb bobo bobs bobu boho bohs boht bohu boko boks boku boob booh book boos boot bosh bosk boso boss bost bosu botb both boto bots bott bouh bouk bous bout bshs bskt bsos bsts bths btob btss bttb btus bubb bubo bubs bubu buho buhs bukh bukk buko buku bush busk buss bust busu but- buto buts butt buus hbbs hbhs hbos hbss hbtu hhhh hhhs hhus hkbu hkst hobo hobs hoho hoko hoks hoku hook hoos hoot hosh hoss host hotb hoth hoto hots hott hotu houk hout hshs hsob hsts hths htoh hubb hubo hubs huhs huhu huos huot hush husk huso huss hust huth huto huts hutt hutu huub huus k-os kbbb kbbk kbbo kbbs kbbt kbbu kbhb kbhh kbhs kbht kbkb kbkk kbko kbob kbok kboo kbos kbot kbsb kbsk kbso kbss kbst kbsu kbtb kbtk kbto kbts kbtt kbub kbuk kbus kbut kbuu khbs khbt khhk khho khhs khkk khks khob khok khot khou khss khst khsu khtb khth khtk khto khts khtt khub khuk khus khut kkbb kkbo kkbs kkbt kkhb kkhh kkhk kkkk kkob kkoh kkoo kkot kkss kkst kksu kktk kkts kktu kkus kkut kkuu kobb kobk kobo kobs kobu kohh koho kohs koht kohu kokb kokh kokk koko koks koku koob kook kooo koos koot koou kos- kosb kosh koso koss kost kosu kotb koth kotk koto kots kott kotu koub kous kout kouu ksbh ksbs kshb kshk ksho kshs kshu kskb kskk ksko ksks ksku ksob ksok ksoo ksos ksou ksso ksss ksst kssu kstb ksth kstk ksto ksts kstt kstu ksub ksuh ksut ksuu ktbb ktbt ktbu kthh kthk ktho kths ktht kthu ktkb ktkk ktko ktks ktkt ktku ktob ktoh ktok ktoo ktot ktso ktst ktsu ktth kttk ktto ktts kttt kttu ktub ktuh kubb kubo kubs kubu kuhs kuht kuhu kukh kukk kuks kuku kuok kuoo kuos kusb kush kuso kust kusu kuth kuto kuts kutt kutu kuub kuuk kuuu obbo obhs obkb obok obos obot obss obst obts obuh obus ohho ohhs ohob ohoh ohok ohos ohso ohss ohto ohtu ohus okko okok okot okso okto okus ooho oohs ooku oooh oooo ooos oost ootb oots oous osho oshs oshu osku osoo osos ossb osso ossu osts otbs otho oths oto- otoh otok otoo otos otso otsu otto otts ottu otus oubs oust out- outb outh outo outs ouu- s-os sbbs sbhk sbhs sbot sbst sbtk sbus shbs shbt shhh shhs shok shoo shos shot shou shts shub shuk shus shut shuu skhs skot skss skut sobo sobs sobt sobu sohh soho sohs sohu sokk soko soku sook soos soot sosh soso soss sost soth sotk soto sots sotu souk sous sout sshs ssot sssb sssh ssss sstb ssth ssts stbs sths stks stob stok stoo stos stot stou stss stub stuk stus stut sub- subb subh subo subs suhb suho sukh suks suku suoh suos sus- susk suso suss sust susu suto sutu suus tbbs tbhs tbst thbs thoo thos thot thou thss thtb thts thuk thus tkos tkts tobo tobs tobt tobu toho tohu toko toku tooh took toos toot tosb tosh tosk toso toss tost tosu toth toto tots tott touh touk tous tout tshb tshs tsks tsob tsos tsou tsst tsts ttbb ttss tttt tubb tubo tubs tubu tuhs tuht tuhu tuko tuks tuos tush tusk tuss tust tuto tuts tutt tutu tuuo ubbo ubos uhoh uhok uhss uhuh ukko ukok us-k usbs usho ushs ushu usos ussb usss usst ussu ustb usto usts usus utto uttu uuuu