i-no iiii iiio iiis iino iioi iioo iiop iios iisi iisp inis inni inno inns ino- inoi inon inos inox inp- inpi inpp inso insp inss invs inxs ioii ioio ioni ionn iono ions iooi iooo ioos iops ioso ipin ipix ipop ipos ippo ipsi ipso ipsp ipss ipvs isin isis isno iso- ison isop isos isps issi isso issp isss ivin ivon ixos ixxi n-ii niip nini nino nins nion nioo nios nips nisi niso nisp niss nivo nixi nnnn nnos nnpi nnss noin noio nois noix non- noni nonn nono nons nonx noo- noon nooo noop noos noov nops nos- noss nov- novi novo npin npiv npov npss nsin nsis nsos nspi nsps nsso nssp nsss nvis nvpi nvss oiii oins oion oios onis onix onni onno onon onos onso oons oooo ooos oops oosi opii opin opio opis opo- opon opos oppi oppo opps opsi osii osin osip osis osno osoi osoo osos osov ossi osso ovi- ovis ovni ovo- ovon ovoo ovpp oxi- oxis oxo- oxon oxos oxox oxsi oxxo piip pini pinn pino pinp pins pion pipi pipo pipp pips pisi piso piss pivo pixo pixx pnin pnon pnpo pnpp poin poio pois poix poni pono ponp pons poon poop poos pop- popi popo popp pops posi posn poso poss povo povs ppos pppn pppo pppp ppps ppss psip psis psni psoi pson psos psov pspi pspp psps psso s-ii s-iv s-os sini sinn sino sinp sins sion siop sios siox sipi sipo sipp sips sisi siss sivi sixo sixx snip snns snoo snop snos snov snpo snpp snvi soin sois son- soni sono sons soon soop soos sopi sopo sopp sops sosi soso soss sosv sovo sovs soxs spin spio spip spis spiv spix spns spon spoo spop spos spox spps spso spsp spss ssin ssis ssns ssop sspo ssps sspx sssi ssss ssvp svns svox viii vini vino vins vion vios vips visi visn viso visp viss vivi vivo vixx vnso voin voio voip vois voix voni vonn vons vosi voso voss voxx vpon vsip vsix vsop vvvv xiii xion xisi xixi xois xoxo xpin xsin xson xvii xxii xxiv xxix xxvi xxxi xxxo xxxv xxxx