fili- fillo fills fissi floss fofos foils foios folio folli follo foloi fooli fools fosil fsoil if-- ifill iiiii ilfis iliff ilio- ilios illos ilsol ioooi ioooo is-is isili isill isilo isios isisi isoff isoli isolo li-fi liisi lilis lilli lillo lilos lisio lisis liss- lisso lo-fi lofoi lofos loilo loiss lolif lolis lolli lollo lolls lolol lolos lools loosi offis offof oflos ofoil oilof oliff olios ollio olofi ooioo ooooo osill osilo ososo ossi- ossil ossis ossos s-iii s-oil siili silli sills silos sisil sisis sisli sissi sliss sloff sloos sloss so-il so-lo so-so sofis soill soils soli- solis solli solos soosi soss- sossi sssss