-hou -ous bbbb bbbs bbhs bggs bghs bhhs bhog bhuu bobb bobo bobs bobu bogg bogh bogo bogs boho bohs bohu boob boog booh boos bosh boso boss bosu bouh bous bsgs bshs bsos bubb bubo bubs bubu bugg bugh bugo bugs buho buhs bush buss busu buus gbbo gbbs gbhs gggg gghg ggss ghhs ghug gobo gobs gogh gogo gogs gohb gohs goog goos gosh goso goss gosu gou- goug gous gshs gsoh gsos gubb gubs gubu gugb gugg gugh gugu guos gusb gush guss guus hbbs hbhs hbos hbss hghs hhgg hhhh hhhs hhus hobo hobs hogg hogh hogo hogs hogu hoho hoos hosh hoss hshs hsob hubb hubo hubs hugg hugh hugo hugs huhs huhu huos hush huso huss huub huus obbo obhs obos obss obuh obus ogb oghs ogog ogou ogus ohho ohhs ohob ohoh ohos ohso ohss ohus ooho oohs oooh oooo ooos oous osho oshs oshu osoo osos ossb osso ossu oubs ough ouu- s-os sbbs sbhs sbus sggg sggs sghs sgsh sgss shbs shhh shhs shog shoo shos shou shub shug shus shuu sobo sobs sobu sogh sogo sogs sohh soho sohs sohu soog soos sosh soso soss sous ssgs sshs sssb sssh ssss sub- subb subg subh subo subs sug- sugg sugh sugo suhb suho suoh suos sus- suso suss susu suus ubbo ubos uggo uggs ughs ugos uguu uhoh uhss uhuh usbs usgo usho ushs ushu usog usos ussb usss ussu usus uuuu