-hou -ous bbbb bbbs bbhs bblb bbls bhhs bhuu blhs blls blob bloo blou blss blub blus bobb bobo bobs bobu bohl boho bohs bohu boll bolo bols bolu boob booh bool boos bosh boso boss bosu bouh boul bous bshs bsos bubb bubo bubs bubu buhl buho buhs bulb bull buls bulu buol bush buss busu buus hbbs hbhs hbos hbss hhhh hhhs hhus hlhs hlss hlul hobo hobs hohl hoho hol- holb holh holl holo hols holu hool hoos hosh hoss hshs hsls hsob hubb hubl hubo hubs huhs huhu hull huls hulu huos hush huso huss huub huus lbhs lbos lhbs lhhh lhhs lhss llbs llhs llll lloo lob- lobb lobh lobo lobs loho lohs lohu loll lolo lols loob lool loos losh loso loss louh loul lous louu lsbu lshs lsoh lsso lubs luhu lull lulu luoh lush luso luss obbo obhs obls oblu obol obos obss obuh obus ohho ohhs ohob ohoh ohos ohso ohss ohus olbo ollo olos olsh ooho oohs oolo oooh oooo ooos oous osho oshs oshu oslo osoo osos ossb osso ossu osul oubs ouls oulu ouu- s-os sbbs sbhs sbus shbs shhh shhs shl- shls shoo shos shou shub shul shus shuu slhs slob sloh sloo slos slsu slub sobo sobs sobu sohh sohl soho sohs sohu solh soll solo sols sool soos sosh soso soss soul sous sshl sshs sssb sssh ssss sub- subb subh subl subo subs suhb suhl suho sul- sulh sull sulo sulu suoh suos sus- suso suss susu suus ubbo ublo ubls ubos uhoh uhss uhuh ullo ulo- ulos ulul ulus usbl usbs usho ushs ushu uslu usos ussb usss ussu usul usus uulu uuuu