h-ii hhhh hhhs hhip hihi hiho hiis hipo hipp hips hish hiss hiyo hoho hoip hois hoop hoos hopi hopo hopp hops hopy hosh hosp hoss hoyi hoys hphs hpps hpss hshs hsps hssp hyo- hyp- hyph hypo hyps hypy ihis ihop ihss iiii iiio iiis iioi iioo iiop iios iisi iisp 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 ohhi ohho ohhs ohio ohis ohoh ohos ohso ohss ohyo oiii oios ooho oohs oooh oooo ooos oops oosi ophi ophs opii opio opis opo- opos oppi oppo opps oppy opsi opsy oshi osho oshp oshs osii osip osis osoi osoo osos ossi osso ossy osyp oyss phhs phi- phip phis phoh phoo phos phys piip pipi pipo pipp pips pipy pish pisi piso piss pisy piyo piys pohs poio pois pooh poop poos pop- popi popo popp pops popy posh posi poso poss posy poyo poys pphi pphs ppih ppos pppo pppp ppps ppsh ppss pshs psip psis psoi psos psph pspi pspp psps psso psy- psys pyo- pyos pypy pyss s-ii s-os shhh shhs shih shii shio ship shis shoo shop shos shps shyp sihi sihs siop sios sipi sipo sipp sips sipy sish sisi siss sisy siyi sohh soho sohp sohs sois soop soos sooy soph sopi sopo sopp sops sopy sosh sosi soso soss soyo soys sphs spio spip spis spoo spop spos spoy spps spso spsp spss spy- spyh spys sshs ssis ssop sspo ssps sssh sssi ssss syis syph sypo syso syss yhis yips yiss yoho yoop yopo yopy yosh yosi yoso yoyo ypsi ysii ysop yspi yssh yyyy