-hou -ous bbbb bbbs bbhs bggs bghs bght bgst bhhs bhog bhot bhut bhuu bobb bobo bobs bobu bogg bogh bogo bogs bogt boho bohs boht bohu boob boog booh boos boot bosh boso boss bost bosu botb both boto bots bott bouh bous bout bsgs bshs bsos bsts bths btob btss bttb btus bubb bubo bubs bubu bugg bugh bugo bugs buho buhs bush buss bust busu but- buto buts butt buus gbbo gbbs gbhs ggbt gggg gghg ggss ghhs ghug gobo gobs gogh gogo gogs gohb gohs goog goos goot gosh goso goss gost gosu goth goto gots gott gou- goug gous gout gshs gsoh gsos gtos gubb gubs gubu gugb gugg gugh gugu guos gusb gush guss gust guth guto guts gutt gutu guus hbbs hbhs hbos hbss hbtu hghs hgst hgts hhgg hhhh hhhs hhus hobo hobs hogg hogh hogo hogs hogu hoho hoos hoot hosh hoss host hotb hoth hoto hots hott hotu hout hshs hsob hsts htgs hths htoh hubb hubo hubs hugg hugh hugo hugs huhs huhu huos huot hush huso huss hust huth huto huts hutt hutu huub huus obbo obhs obos obot obss obst obts obuh obus ogb oghs oght ogog ogou ogus ohho ohhs ohob ohoh ohos ohso ohss ohto ohtu ohus ooho oohs oooh oooo ooos oost ootb oots oous osho oshs oshu osoo osos ossb osso ossu osts otbs otho oths oto- otog otoh otoo otos otsg otso otsu otto otts ottu otus oubs ough oust out- outb outh outo outs ouu- s-os sbbs sbhs sbot sbst sbus sggg sggs sghs sgsh sgss sgts shbs shbt shhh shhs shog shoo shos shot shou shtg shts shub shug shus shut shuu sobo sobs sobt sobu sogh sogo sogs sohh soho sohs sohu soog soos soot sosh soso soss sost soth soto sots sotu sous sout ssgs ssgt sshs ssot sssb sssh ssss sstb ssth ssts stbs sthg sths stob stog stoo stos stot stou stss stub stug stus stut sub- subb subg subh subo subs sug- sugg sugh sugo suhb suho suoh suos sus- suso suss sust susu suto sutu suus tbbs tbgs tbhs tbst tghs tgts thbs thog thoo thos thot thou thss thtb thts thug thus tobo tobs tobt tobu togh togo togs togt toho tohu tooh toos toot tosb tosh toso toss tost tosu toth toto tots tott toug touh tous tout tsgt tshb tshs tsob tsos tsou tssg tsst tsts ttbb ttss tttt tubb tubo tubs tubu tugg tugh tugs tugu tuhs tuht tuhu tuos tush tuss tust tuto tuts tutt tutu tuuo ubbo ubos uggo uggs uggt ughs ugos uguu uhoh uhss uhuh usbs usgo usho ushs ushu usog usos ussb usss usst ussu ustb usto usts usus utto uttu utug uuuu