-hou -ous bbbb bbbs bbch bbhs bcbc bcbs bccc bccs bchs bcos bcsc bcss bcuc bhcc bhhs bhuu bkhs bobb bobo bobs bobu boch bock boco bocs bocu boho bohs bohu boko boks boku boob booc booh book boos bosc bosh bosk boso boss bosu bouh bouk bous bscs bshs bsos bssc bubb bubo bubs bubu bucc buch buck buco bucs bucu buho buhs bukh bukk buko buku busc bush busk buss busu buus c-bo cbbc cbbs cbcc cbcs cbcu cbhs cbko cbsc cbus ccbc cccb cccc cccs cccu cchs ccob ccoc ccss ccuc ccus chch chcs chhs chkb chks choc choh chok choo chos chou chsc chsh chub chuk chus ckbc ckch ckck ckco ckcs ckhs ckob ckoc ckoo ckos cksb cksh ckso cobb cobh cobo cobs cobu coch cock coco cocu coho cohs cok- coko coob cooh cook coos cosc cosh coso coss coub couk cous cscb cscc csch csco cscs cshs csks csob csos csus cub- cubb cubs cucc cuck cuk- cusb cush cusk cuso cuss cusu hbbs hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hhus hkbu hkcc hkcs hobo hobs hoch hock hocs hoho hoko hoks hoku hook hoos hosh hoss houk hsbc hscc hshs hsob hubb hubo hubs huch huck hucs hucu huhs huhu huos hush husk huso huss huub huus k-os kbbb kbbc kbbk kbbo kbbs kbbu kbcb kbch kbck kbco kbcs kbcu kbhb kbhc kbhh kbhs kbkb kbkk kbko kbob kboc kbok kboo kbos kbsb kbsk kbso kbss kbsu kbub kbuc kbuk kbus kbuu kcbc kcbk kcbs kcbu kccb kccc kcck kccu kchh kchk kcho kchs kchu kckc kckk kcko kcob kcoh kcos kcou kcsb kcsc kcss kcsu kcub kcuh kcuk khbc khbs khcb khcc khch khck khcs khhk khho khhs khkk khks khob khoc khok khou khss khsu khub khuk khus kkbb kkbo kkbs kkcb kkch kkck kkco kkcs kkhb kkhh kkhk kkkk kkob kkoh kkoo kkss kksu kkus kkuu kobb kobc kobk kobo kobs kobu kocb koch kock kocs kohh koho kohs kohu kokb kokc kokh kokk koko koks koku koob kooc kook kooo koos koou kos- kosb kosc kosh koso koss kosu koub kous kouu ksbc ksbh ksbs kscb ksch ksck ksco kscs kscu kshb kshk ksho kshs kshu kskb kskk ksko ksks ksku ksob ksoc ksok ksoo ksos ksou ksso ksss kssu ksub ksuh ksuu kubb kubc kubo kubs kubu kucb kucc kuch kuco kuhs kuhu kukh kukk kuks kuku kuok kuoo kuos kusb kusc kush kuso kusu kuub kuuk kuuu obbo obhs obkb obok obos obss obuh obus ocbc occc ochs ocks ocos ohcc ohho ohhs ohob ohoh ohok ohos ohso ohss ohus okcu okko okok okso okus ooho oohs ooku oooh oooo ooos oous oscc osco oshc osho oshs oshu osku osoo osos ossb osso ossu oubs oucc ouch ouu- s-os sbbs sbcc sbcs sbhc sbhk sbhs sbus sccc sccs sch- schh scho schs sck- scob scoh scok scoo scsc scsh scso scsu scub shbs shcc shhh shhs shok shoo shos shou shsc shub shuk shus shuu skhs skss sobo sobs sobu soch sock soco socs sohh soho sohs sohu sokk soko soku sook soos sosh soso soss souk sous sscc sscs sshs ssoc sssb sssc sssh ssss sub- subb subh subo subs suc- succ such suck sucs suhb suho sukh suks suku suoh suos sus- susk suso suss susu suus ubbo uboc ubos ucbc ucho uchs ucos ucsb ucsc ucsu uhoh uhok uhss uhuh ukcc ukko ukok uksc uocc us-k usbc usbs uscc usch usco uscs usho ushs ushu usoc usos ussb ussc usss ussu usus uuoc uuuu