ffff ffii ffss ffvs fiff fifi fifo fiii fiil fili fill filn filo fils fini finn fino fins fion fios fisi fiss flii flin flis flon floo flos fofo foil foin fois foli foll folo fols fono fons foof fool foon foos fosi foso foss fsfi fsfo fsln fssf i-no ifil ifis ifni ifno ifns ifso iiii iiio iiis iino iioi iioo iios iisi ilin ilio ilis ill- illi illo ills ilni ilno iloo ilos infi infl info infs inis inni inno inns ino- inoi inol inon inos inso inss invs ioii ioio iolo ioni ionn iono ions ioof iooi iooo ioos ioso isil isin isis isls isno iso- isof isol ison isos issf issi isso isss ivin ivon liff lifl lifo liii liin liis liiv lili lill lilo lils linn lino lins lio- lion lios lisi liso liss livi livo livs llll lloo lnfs lnso lo-v loff lofi lofn loif loin lois loli loll lolo lols loni lono lons loof lool loon loos losi loso loss lovo lsof lson lsso lvii lviv lvov lvsv n-ii nfff nfon niff nili nill nilo nils nini ninl nino nins nion nioo nios nisi nisl niso niss nivo nlls nnls nnnn nnos nnsl nnss nofi noif noil noin noio nois nolf noli noll nolo nols non- noni nonn nono nons noo- nool noon nooo noos noov nos- noss nov- novi novo nsfs nsin nsis nsls nsof nsos nssf nsso nsss nsvl nvfs nvis nvss off- offo offs ofno oiii oils oins oion oios olfs olin olio olis olli ollo olof olon olos olov olsi olvi onil onis onlf onni onno onon onos onso ooff oofs oolo oons oooo ooos oosi osii osin osis osli oslo osno osoi osoo osos osov ossi osso ovfl ovi- ovil ovis ovni ovo- ovol ovon ovoo s-ii s-iv s-os sfio sfls sfos sfss siff sifl sifo sil- silf sili sill silo sils sini sinn sino sins siol sion sios sisi siss sivi sl-i slln slon sloo slos snlf snns snoo snos snov snvi sofi sofo soif soil soin sois solf soli soll soln solo sols solv son- soni sono sons soof sool soon soos sosi soso soss sosv sovo sovs ssfl ssin ssis ssns sssf sssi ssss svil svns vfli vflo viff viii vili vill vils vini vino vins viol vion vios visi visn viso viss vivi vivo vlfs vlli vlos vlsi vnso voff voil voin voio vois volf voli voll volo vols voni vonn vons vool vosi voso voss vsfs vssl vvvv