-ous bbbb bbbs bblb bbls blls blno blob blon bloo blou blss blub blus bnss bobb bobo bobs bobu boll boln bolo bols bolu bonn bono bons bonu boob bool boon boos bosn boso boss bosu boul boun bous bsns bson bsos bubb bubo bubs bubu bulb bull buls bulu bunb bunn buno buns bunu buol buon buss busu buus lbos llbs llll lloo lnso lob- lobb lobo lobs loll lolo lols lono lons loob lool loon loos loso loss loul loun lous louu lsbu lson lsso lubs lull lulu lunn luno luns luso luss nbbo nlls nnls nnnn nnos nnsl nnss nobo nobs nobu noll nolo nols non- nonn nono nons nonu noo- noob nool noon nooo noos nos- noss nosu noul noun nous nsbo nsls nsos nsou nssb nsso nsss nsub nubl nubs null nunn nuno nuns nuon nusl nuss nusu obbo obls oblu obol obon obos obsn obss obus olbo ollo olon olos onno onon onos onso onus oolo oons oooo ooos oous oslo osno osoo osos ossb osso ossu osul osun oubs ouls oulu oun- ouu- s-os sbbs sbus slln slob slon sloo slos slsu slub snns snob snoo snos snub snus sobo sobs sobu soll soln solo sols son- sono sons sonu sool soon soos soso soss soul soun sous ssbn ssns sssb ssss sub- subb subl subo subs sul- sull sulo sulu sun- sunb sunn suno suns sunu suos sus- suso suss susu suus ubbo ublo ubls ubon ubos ullo ulno ulo- ulos ulul ulus unno unns unon unos uns- unso unus usbl usbs uslu usno usnu usos ussb usss ussu usul usun usus uulu uuno uuuu