-hou -ous bbbb bbbs bbch bbdd bbdo bbhs bcbc bcbs bccc bccs bcds bchd bchs bcos bcsc bcss bcuc bdbc bddc bddh bdhs bdos bdsd bhcc bhhs bhuu bobb bobo bobs bobu boch boco bocs bocu bodb bodh bodo bods bodu bohd boho bohs bohu boob booc bood booh boos bosc bosh boso boss bosu boud bouh bous bsbd bscs bshs bsod bsos bssc bssd bubb bubo bubs bubu bucc buch buco bucs bucu budb budd budo buds budu buho buhs busc bush buss busu buus c-bo c-cd cbbc cbbs cbcc cbcs cbcu cbdb cbdc cbdo cbds cbhs cbsc cbus ccbc cccb cccc cccs cccu ccdc ccdh ccds cchs ccob ccoc ccod ccsd ccss ccuc ccus cdcs cddb cdhs cdos cdss chch chcs chhs choc chod choh choo chos chou chsc chsh chub chud chus cobb cobh cobo cobs cobu coch coco cocu codd cods coho cohs coob cood cooh coos cosc cosh coso coss coub coud cous cscb cscc cscd csch csco cscs csdb cshs csob csos cssd csus cub- cubb cubs cucc cuds cusb cusd cush cuso cuss cusu d-bo dbcc dbcs dbhs dbos dbss dbus dcbc dccb dccc dccs dccu dcdb dcds dchs dcos dcsc dcss dddd ddoc ddss ddub dhod dobb dobs dobu doch doco docs docu dod- dodd dodo dods dohc dohs doob dood doos dosh doso doss doub douc doud dous dsbc dscc dsch dscs dshs dsos dssc dub- dubb dubc dubh dubs dubu duch duco ducs dudd dudo duds dudu duhs duhu duo- duos dush hbbs hbcd hbds hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hdhs hdoc hdod hdos hdss hhds hhhh hhhs hhus hobo hobs hoch hocs hodh hods hoho hood hoos hosh hoss houd hsbc hscc hshs hsob hubb hubo hubs huch hucs hucu hudd hudo huds hudu huhs huhu huos hush huso huss huub huus obbo obhs obos obsd obss obuh obus ocbc occc ocds ochs ocos odbo oddd odds odoh odoo odos odou odso odus ohcc ohho ohhs ohob ohoh ohos ohso ohss ohus ooho oohs oooh oooo ooos oous oscc osco oshc osho oshs oshu osoo osos ossb ossd osso ossu oubs oucc ouch oudc oudh ouds ousd ouu- s-os sbbs sbcc sbcs sbds sbhc sbhs sbsd sbus sccc sccs scdc scds sch- schh scho schs scob scoh scoo scsc scsd scsh scso scsu scub scud sdcc sdch sdco sddc sdds sdhb sdhd sdhs sdsc sdss sdsu shbs shcc shhh shhs shod shoo shos shou shsc shub shud shus shuu sobo sobs sobu soch soco socs sodd sodo sods sodu sohh soho sohs sohu sood soos sosh soso soss soud sous sscc sscs ssdc ssdd sshs ssoc sssb sssc sssh ssss sub- subb subd subh subo subs suc- succ such sucs sudd sudh sudo suds suhb suho suoh suos sus- susd suso suss susu suus ubbo uboc ubod ubos ubud ucbc ucdc ucdd ucho uchs ucos ucsb ucsc ucsd ucsu udbc udds udoh udoo udos udsd uh-d uhoh uhss uhuh uocc usbc usbs uscc usch usco uscs usdc usdo usds usho ushs ushu usoc usos ussb ussc usss ussu usus uuoc uuuu