ffff ffii ffss fiff fifi fifo figg figl figo figs fiii fiil fili fill filo fils fios fisi fiss flig flii flis flog floo flos fofo fogg fogi fogl fogo fogs foil fois foli foll folo fols foof fool foos fosi foso foss fsfi fsfo fsgs fssf ggfg gggg ggss giff gifs gigg gigi gigo gigs giis gilf gilg gili gill gilo gils giog gioi giss gli- glis glof glog glos goff gogi gogo gogs goif gois golf goli goll golo gols goof goog gooi gool goos gosi goso goss gsif gsis gsli gsos i-go ifil ifis ifso iggs igil igis igli iglo igoo igso iiii iiio iiis iioi iioo iios iisi ilio ilis ill- illi illo ills ilog iloo ilos ioii ioio iolo ioof iooi iooo ioos ioso isil isis isls iso- isof isol isos issf issi isso isss lgfl liff lifg lifl lifo ligg ligi ligo liig liii liis lilg lili lill lilo lils lio- lios lisi liso liss llll lloo loff lofi log- logi logo logs loif lois loli loll lolo lols loof lool loos losi loso loss lsof lsso off- offo offs ofgo oggi ogli ogog ogoi ogsi oigo oiii oils oios olfs olig olio olis olli ollo olof olog olos olsi ooff oofs oolo oooo ooos oosi osgi osii osis osli oslo osoi osoo osos ossi osso s-ii s-os sfio sfls sfog sfos sfss sggg sggs sgio sgls sgss siff sifl sifo sigg sigi sigo sigs sil- silf sili sill silo sils siol sios sisi siss sl-i slig slog sloo slos sofi sofo sogi sogo sogs soif soil sois solf soli soll solo sols soof soog sool soos sosi soso soss ssfl ssgs ssis sssf sssi ssss