-ous bbbb bbbs bcbc bcbs bccc bccs bcnu bcos bcsc bcsn bcss bcuc bnoc bnss bobb bobo bobs bobu boco bocs bocu bonc bonn bono bons bonu boob booc boon boos bosc bosn boso boss bosu boun bous bscs bsns bson bsos bssc bubb bubo bubs bubu bucc buco bucs bucu bunb bunn buno buns bunu buon busc buss busu buus c-bo cbbc cbbs cbcc cbcn cbcs cbcu cbsc cbsn cbus ccbc ccbn cccb cccc cccs cccu ccnb ccnc ccns ccnu ccob ccoc ccsn ccss ccuc ccus cnbc cnco cnss cobb cobo cobs cobu coco cocu con- conc conn cono cons coob coon coos cosc coso coss coub coun cous cscb cscc csco cscs csob csos csus cub- cubb cubs cucc cucn cuno cuon cusb cuso cuss cusu nbbc nbbo nbcc nbco nbcs ncbc ncbs nccc nccn nccs nccu ncnc ncoc ncos ncsc ncss nnnn nnos nnss nobc nobo nobs nobu noco nocs non- nonn nono nons nonu noo- noob noon nooo noos nos- noss nosu noun nous nsbo nscc nscs nsos nsou nssb nssc nsso nsss nsub nubc nubs nucs nucu nunc nunn nuno nuns nuoc nuon nuss nusu obbo obon obos obsn obss obus ocbc occc occn ocon ocos onc- onco onno onon onos onsc onso onus oons oooo ooos oous oscc osco osno osoo osos ossb osso ossu osun oubs oucc oun- ouu- s-os sbbs sbcc sbcs sbus sccc sccs scob scon scoo scsc scsn scso scsu scub scun sncc snco snns snob snoc snoo snos snub snus sobo sobs sobu soco socs son- sono sons sonu soon soos soso soss soun sous ssbn sscc sscs ssns ssoc sssb sssc ssss sub- subb subo subs suc- succ sucs sun- sunb sunn suno suns sunu suos sus- suso suss susu suus ubbo uboc ubon ubos ucbc ucon ucos ucsb ucsc ucsu uncc unco uncs unno unns unon unos uns- unsc unso unus uocc usbc usbs uscc usco uscs usnc usno usnu usoc usos ussb ussc usss ussu usun usus uuno uuoc uuuu