bbbb bbbs bbhs bhhs bhoi bibb bibi bibo bibs bihi bihs biis bio- bioi bios bipp bips bis- bish biso bisp biss bobb bobi bobo bobs boho bohs boi- boii bois boob booh boop boos bopp bops bosh bosi boso boss bphs bshs bsos bspp h-ii hbbs hbhs hbio hbos hbss hhhh hhhs hhip hibi hihi hiho hiis hiob hipo hipp hips hisb hish hiss hobo hobs hoho hoip hois hoop hoos hopi hopo hopp hops hosh hosp hoss hphs hpps hpss hshs hsob hsps hssp ibis ibos ibss ihis ihob ihop ihss iiii iiio iiis iioi iioo iiop iios iisi iisp iobi ioii ioio iooi iooo ioos iops ioso ipoh ipop ipos ippo ipsi ipso ipsp ipss ishi ishs isis iso- isop isos isps issh issi isso issp isss obbo obhs obis oboi obos obss ohhi ohho ohhs ohio ohis ohob ohoh ohos ohso ohss oiii oios oobi ooho oohs oooh oooo ooos oops oosi ophi ophs opii opio opis opo- opos oppi oppo opps opsi osbp oshi osho oshp oshs osii osip osis osoi osoo osos ossb ossi osso pbhs pbsp phbs phhs phi- phip phis phob phoh phoo phos pibb pibi piip piob pipi pipo pipp pips pish pisi piso piss pobo pobs pohs poio pois pooh poop poos pop- popi popo popp pops posb posh posi poso poss pphi pphs ppib ppih ppos pppo pppp ppps ppsh ppss pshs psip psis psoi psos psph pspi pspp psps psso s-ib s-ii s-os sbbs sbhs sbsi sbsp shbs shhh shhs shib shih shii shio ship shis shoo shop shos shps sibi sibo sibs sihi sihs siop sios sipi sipo sipp sips sish sisi siss sobo sobp sobs sohh soho sohp sohs sois soop soos soph sopi sopo sopp sops sosh sosi soso soss sphs spib spio spip spis spoo spop spos spps spso spsp spss sshs ssis ssop sspo ssps sssb sssh sssi ssss