ffff ffii ffss ffvs fiff fifi fifo fiii fini finn fino fins fion fios fisi fiss fofo foin fois fono fons foof foon foos fosi foso foss fsfi fsfo fssf i-no ifis ifni ifno ifns ifso iiii iiio iiis iino iioi iioo iios iisi infi info infs inis inni inno inns ino- inoi inon inos inso inss invs ioii ioio ioni ionn iono ions ioof iooi iooo ioos ioso isin isis isno iso- isof ison isos issf issi isso isss ivin ivon n-ii nfff nfon niff nini nino nins nion nioo nios nisi niso niss nivo nnnn nnos nnss nofi noif noin noio nois non- noni nonn nono nons noo- noon nooo noos noov nos- noss nov- novi novo nsfs nsin nsis nsof nsos nssf nsso nsss nvfs nvis nvss off- offo offs ofno oiii oins oion oios onis onni onno onon onos onso ooff oofs oons oooo ooos oosi osii osin osis osno osoi osoo osos osov ossi osso ovi- ovis ovni ovo- ovon ovoo s-ii s-iv s-os sfio sfos sfss siff sifo sini sinn sino sins sion sios sisi siss sivi snns snoo snos snov snvi sofi sofo soif soin sois son- soni sono sons soof soon soos sosi soso soss sosv sovo sovs ssin ssis ssns sssf sssi ssss svns viff viii vini vino vins vion vios visi visn viso viss vivi vivo vnso voff voin voio vois voni vonn vons vosi voso voss vsfs vvvv