iiii iiio iiis iioi iioo iiop iios iirs iisi iisp iisr ioii ioio iooi iooo ioos iops iori iors ioso ipop ipos ippo ippr ippy ipri ipsi ipso ipsp ipss ipvs iri- irio irip iris iriy irop irov irps irri irrs irsp irvs isis iso- isop isor isos ispr isps ispy isri isrp issi isso issp issr isss issy isys ivor ivrs ivry ivys iyos oiii oios oiry oooo ooos oops oory oosi opii opio opis opo- opor opos oppi oppo opps oppy opry opsi opsy ori- orio oris oro- oror oros oroy orpi orps orri orro orrs orry orsi orso orsy orvr orvs orys osii osip osis osoi osoo osor osos osov osro ossi osso ossy osyp ovi- ovis ovo- ovoo ovpp oyri oyss piip pipi pipo pipp pips pipy piri piro pirr pirs piry pisi piso piss pisy pivo piyo piys poio pois poop poor poos pop- popi popo popp pops popy pori poro porr pors pory posi poso poss posy povo povs poyo poyr poys ppos pppo pppp ppps ppss pri- prii pris priv pro- proo prop pros prov prps prri prrs prsi prso prss prsv prys psip psis psoi psos psov pspi pspp pspr psps psrp psso psy- psys pyo- pyos pypy pyr- pyri pyro pyry pyss riis rios ripi ripp ripr rips riri rirs risi riso risp riss rivo rivp rivs riyo roio roir rois rooi roop roor roos ropo rops ropy rori roro rory rosi roso rosp ross rosy rovi rovo rovs roys rpii rpos rpps rrrr rrsp rsis rsos rspo rsps rsvp rvsp ryip ryis rysy s-ii s-iv s-os siop sior sios sipi sipo sipp sips sipy siri siro sirp sirr sirs sisi siss sisy sivi siyi soir sois soop soor soos sooy sopi sopo sopp sops sopy sori soro sorr sors sory sosi soso soss sosv sovo sovs soyo soys spio spip spir spis spiv spoo spop spor spos spoy spps spri spro sprs spry spso spsp spss spy- spyr spys sris sros srps srsp ssis ssop sspo ssps ssri ssrs sssi ssss ssvp svir svor svoy syis sypo syro syrs syry syso syss viii vios vipr vips viri viro virr viry visi viso visp viss visy vivi vivo vivy voio voip voir vois voor vor- vori voro vors vory vosi voso voss voyi voys vpro vrio vris vrsi vsip vsop vsrp vvvv vyir vyis vyos vyso vyss yips yirr yiss yivo yoop yopo yopy yori yoro yory yosi yoso yoyo ypir ypsi ysii ysop yspi yvor yyyy