SHELFIEST

ef eh el es et fe he hi if is it li sh si ti

eel efs eft elf els ess eth fee feh fes fet fie fil fit hes het hie his hit ifs its lee lei les let lie lis lit see sei sel set she sis sit tee tel the tie til tis

eels efts elhi else eses eths feel fees feet fehs felt fess fest fete fets file fils fish fist fits flee flit heel heft heil hest hets hies hilt hiss hist hits isle lees leet left leis less lest lets lief lies life lift list lite lits seel sees seif seis self sels sets shes shit sift silt site sith sits slit teel tees tele tels thee this ties tile tils