-hou -ous bbbb bbbs bbhs bhhs bhms bhuu bmhs bmus bobb bobo bobs bobu bohm boho bohs bohu bomb boms bomu boob booh boom boos bosh bosm boso boss bosu bouh boum bous bshs bsms bsos bssm bubb bubo bubs bubu buho buhs bum- bumb bums bush buss busu buus hbbs hbhs hbms hbos hbss hhhh hhhs hhms hhus hmbs hmhb hmhs hmmm hmms hmos hmsm hobo hobs hohm hoho hom- homo homs homu hoom hoos hosh hoss hshs hsmm hsob hubb hubo hubs huhs huhu humh humm humo hums huos hush huso huss huub huus mbbs mbhs mbms mbou mbus mhhs mhmm mhos mmhm mmhs mmmh mmmm mmms mmsu mmus mobb mobo mobs mohm moho mohs mohu momo moms momu moob moos mosh moso moss mosu mous mshb mshs msmb msmm msms msmu mssm msus mubo mubs muhs muhu mumm mumo mums mumu muos mush muso muss musu obbo obhs obos obss obuh obus ohho ohhs ohms ohob ohoh ohos ohso ohss ohum ohus ombo ombu omhs omo- omoo omuo omus ooho oohs ooms oooh oooo ooos oous osho oshs oshu osm- osmo osoo osos ossb osso ossu osum oubs ouu- s-os sbbs sbhs sbus shbm shbs shhh shhs shm- shmo shom shoo shos shou shub shum shus shuu smbh smhs smos smsh smss smus sobo sobs sobu sohh sohm soho sohs sohu somb somm somo soom soos sosh soso soss soum sous sshs sssb sssh sssm ssss sub- subb subh subm subo subs suhb suho sum- sumo sums sumu suoh suos sus- suso suss susu suum suus ubbo ubos uhoh uhss uhuh umb- umbo umhs ummo umms umsu umus uomo usbs usho ushs ushu usmm usms usos ussb usss ussu usus uuuu