FRONTOLYSIS

if in is it li lo no of oi on or os oy si so ti to yo

fil fin fir fit fly fon for foy fro fry ifs ins ion its lin lis lit loo lot nil nit noo nor nos not oft oil ono ons oot ors ort rif rin rot sin sir sis sit sly sol son sos sot soy sri sty syn til tin tis ton too tor toy try yin yon

filo fils fino fins firn firs fist fits flir flit foil foin fons font fool foot fort foss foys frit info inly inro into ions iron lift lino lins lint liny lion list lits loft loin loof loon loos loot lorn lory loss lost loti lots nils nits noil noir nolo nori nosy oils oily olio only onos onto oots orts rifs rift rins riot roil rolf roof root rosy roti rotl roto rots ryot sift silo silt sins sirs sits slit slot snit snot soft soil soli solo sols sons soon soot sori sorn sort sots soys sris stir syli tils tins tiny tirl tiro toil tons tony tool toon tori torn toro tors tory toss toyo toys trio troy tyin tyro yins yoni