-ous bbbb bbbs bblb bbls blls blob bloo blou blss blub blus bobb bobo bobs bobu boll bolo bols bolu boob bool boos booz boso boss bosu boul bous bozo bsos bubb bubo bubs bubu bulb bull buls bulu bulz buol buss busu buus buuz buzz bzou bzzz lbos lboz llbs llll lloo lob- lobb lobo lobs loll lolo lols lolz loob lool loos looz loso loss loul lous louu lsbu lsso lubs lull lulu lulz luso luss obbo obls oblu obol obos obss obus olbo ollo olos olsz oolo oooo ooos oous oslo osoo osos ossb osso ossu osul oubs ouls oulu ouu- ouzo ozlu s-os sbbs sbus slob sloo slos slsu slub sobo sobs sobu soll solo sols solz sool soos soso soss soul sous soz- sssb ssss sub- subb subl subo subs subz sul- sull sulo sulu sulz suos sus- suso suss susu susz suus suzo suzu suzz szob szss ubbo ublo ubls ubos ullo ulo- ulos ulul ulus usbl usbs uslu usos ussb usss ussu usul usus uulu uuuu uzbl uzos zbus zobo zoll zolo zols zoo- zool zoos zoso zoss zozo zozu zsss zubo zubu zull zulu zulz zuoz zuul zuzu zzzs zzzz