bbbb bbbs bbhs bboy bbyo bhhs bhoi bhoy bibb bibi bibo bibs bihi bihs biis bio- bioi bios bipp bips bis- bish biso bisp biss bisy biys bobb bobi bobo bobs boby boho bohs bohy boi- boii bois boob booh boop boos bopp bops bosh bosi boso boss boyi boyo boys bphs bshs bsos bspp byob byoi byop byos bysb bysi byso bysp byss bysy h-ii hbbs hbhs hbio hbos hbss hhhh hhhs hhip hibi hihi hiho hiis hiob hipo hipp hips hisb hish hiss hiyo hobo hobs hoby hoho hoip hois hoop hoos hopi hopo hopp hops hopy hosh hosp hoss hoyi hoys hphs hpps hpss hshs hsob hsps hssp hybo hyo- hyp- hyph hypo hyps hypy i-by ibis ibos ibss ibyi ihis ihob ihop ihss iiii iiio iiis iioi iioo iiop iios iisi iisp iobi ioby ioii ioio iooi iooo ioos iops ioso ipoh ipop ipos ippo ippy ipsi ipso ipsp ipss ishi ishs isis iso- isop isos isps ispy issh issi isso issp isss issy isys iyos iysh obbo obby obhs obis oboi obos oboy obss ohhi ohho ohhs ohio ohis ohob ohoh ohos ohso ohss ohyo oiii oios oobi ooby ooho oohs oooh oooo ooos oops oosi ophi ophs opii opio opis opo- opos oppi oppo opps oppy opsi opsy osbp osby oshi osho oshp oshs osii osip osis osoi osoo osos ossb ossi osso ossy osyp oyss pbhs pbsp phbs phhs phi- phip phis phob phoh phoo phos phys pibb pibi piip piob pipi pipo pipp pips pipy pish pisi piso piss pisy piyo piys pobo pobs pohs poio pois pooh poop poos pop- popi popo popp pops popy posb posh posi poso poss posy poyo poys pphi pphs ppib ppih ppos pppo pppp ppps ppsh ppss pshs psip psis psoi psos psph pspi pspp psps psso psy- psys pyo- pyos pypy pyss s-ib s-ii s-os sbbs sbhs sbsi sbsp shbs shhh shhs shib shih shii shio ship shis shoo shop shos shps shyp sibi sibo sibs siby sihi sihs siop sios sipi sipo sipp sips sipy sish sisi siss sisy siyi sobo sobp sobs sohh soho sohp sohs sois soop soos sooy soph sopi sopo sopp sops sopy sosh sosi soso soss soyo soys spby sphs spib spio spip spis spoo spop spos spoy spps spso spsp spss spy- spyh spys ssby sshs ssis ssop sspo ssps sssb sssh sssi ssss sybo syis syph sypo syso syss ybbs yhis yips yiss yobi yobo yobs yoho yoop yopo yopy yosh yosi yoso yoyo ypsi ysby ysii ysop yspi yssh ysyb yyyy