FAILSOFT

ai al as at fa if is it la li lo of oi os si so ta ti to

aff aft ail ais ait als alt fas fat fil fit iff ifs its las lat lis lit lot oaf oat off oft oil sal sat sit sol sot tao tas til tis

ails aits alif alit also alto alts fail fast fats fiat fila filo fils fist fits flat flit foal foil iota last lati lats lift list lits loaf loft lost lota loti lots oafs oast oats offs oils sail salt sati sial sift silo silt slat slit slot sofa soft soil sola soli stoa tail tali taos tiff tils toff toil tola