bbbb bbbs bbhs bbox bggs bghs bght bgst bhhs bhog bhot bobb bobo bobs bogg bogh bogo bogs bogt boho bohs boht boob boog booh boos boot boox bosh boso boss bost botb both boto bots bott bsgs bshs bsos bsts bths btob btss bttb gbbo gbbs gbhs ggbt gggg gghg ggss ghhs gobo gobs gogh gogo gogs gohb gohs goog goos goot gosh goso goss gost goth goto gots gott gshs gsoh gsos gtos hbbs hbhs hbos hbox hbss hghs hgst hgts hhgg hhhh hhhs hobo hobs hogg hogh hogo hogs hoho hoos hoot hoox hosh hoss host hotb hoth hoto hots hott hshs hsob hsts htgs hths htoh obbo obhs obos obot obox obss obst obts ogb oghs oght ogog ohho ohhs ohob ohoh ohos ohso ohss ohto ooho oohs oooh oooo ooos oost ootb oots osho oshs osoo osos ossb osso osts otbs otho oths oto- otog otoh otoo otos otsg otso otto otts oxo- oxos oxox oxxo s-os sbbs sbhs sbot sbst sggg sggs sghs sgsh sgss sgts shbs shbt shhh shhs shog shoo shos shot shox shtg shts sobo sobs sobt sogh sogo sogs sohh soho sohs soog soos soot sosh soso soss sost soth soto sots soxs ssgs ssgt sshs ssot sssb sssh ssss sstb ssth ssts stbs sthg sths stob stog stoo stos stot stox stss tbbs tbgs tbhs tbox tbst tghs tgts thbs thog thoo thos thot thss thtb thts thxg tobo tobs tobt togh togo togs togt toho tooh toos toot tosb tosh toso toss tost tosx toth toto tots tott tox- toxo toxs toxt tsgt tshb tshs tsob tsos tssg tsst tsts ttbb ttss tttt xbox xoth xoxo xtbs xxxo xxxx