h-ii hhhh hhhs hhip hhtp hihi hiho hiht hiis hiit hipo hipp hips hipt hish hiss hist hiti hito hits hitt hoho hoip hois hoit hoop hoos hoot hopi hopo hopp hops hopt hosh hosp hoss host hoth hoti hoto hotp hots hott hphs hpot hpps hpss hpti hpto hshs hsps hssp hsts hths htoh htop htpp htps http ihis ihit ihop ihss iiht iiii iiio iiis iiit iioi iioo iiop iios iisi iisp iist iitt ioii ioio ioit iooi iooo ioos iops ioso ioto ipoh ipop ipos ippo ipsi ipso ipsp ipss ipto ipts ishi ishs isis isit iso- isop isos isps issh issi isso issp isss isth isti isto istp ists iths itis itoh itoi itoo itos itsi itso itsp itto ohhi ohho ohhs ohio ohis ohoh ohos ohso ohss ohto oiii oios oist oiti ooho oohs oooh oooo ooos oops oosi oost ootp oots ophi ophs opii opio opis opit opo- opos oppi oppo opps opsi opti opto opts oshi osho oshp oshs osii osip osis osoi osoo osos ossi osso osti osts otho oths otis otit oto- otoh otoo otos otpp otso otti otto otts phhs phht phi- phip phis phit phoh phoo phos phot piip piot pipi pipo pipp pips pish pisi piso piss pist pith piti pito pits pitt pohs poio pois pooh poop poos poot pop- popi popo popp pops popt posh posi poso poss post poth poti poto pots pott pphi pphs ppih ppos pppo pppp ppps ppsh ppss ppts pptt pshs psht psip psis psoi psos psph pspi pspp psps psso psst psts pths ptop s-ii s-os shhh shhs shih shii shio ship shis shit shoo shop shos shot shps shpt shts sihi sihs siht siit siop sios siot sipi sipo sipp sips sipt sish sisi siss sist sit- sith siti sito sits sitt sohh soho sohp sohs sois soit soop soos soot soph sopi sopo sopp sops sosh sosi soso soss sost soth soto sotp sots sphs spht spio spip spis spit spoo spop spos spot spps spso spsp spss spst spto spts sshs ssis ssit ssop ssot sspo ssps sspt sssh sssi ssss ssth sstp ssts sths stih stio stip stis stit stoo stop stos stot stpp stps stsi stss thhp thi- thio this thoo thos thot thpp thss thts tiht tiit tiop tios tip- tipi tipo tipp tips tipt tish tisi tiso tiss tist tith titi tito titp tits titt tohi toho tois toit tooh toos toot top- toph topi topo topp tops topt tosh tosi toso toss tost toth toti toto tots tott tphs tppp tptp tshi tshs tsis tsoi tsop tsos tspo tsps tspt tssi tsst tsts ttop ttss tttt