PETROLIFIC

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ceil celt cero cire cite clef clip clop clot coft coif coil coir cole colt cope core corf cote crit crop epic etic felt fice fico file filo fire flic flip flir flit floc floe flop foci foil fore fort fret frit froe left lept lice lief lier life lift lipe lire liri lite loci loft lope lore loti orle otic pelf pelt peri pert pice pier pile pili plie plot poet pole pore port prof reft reif repo rice riel rife rift rile riot ripe rite roil role rolf rope rote roti rotl tier tile tipi tire tirl tiro toil tole tope topi torc tore tori tref trio trip trop