REFRIGHTEN

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eger erne feet fere fern fete fine fire firn free fret frig frit gene gent ghee gien gift girn girt gite gree grin grit heft heir hent here hern hint hire neif nigh nite reef reft reif rein rent rete rife rift ring rite teen tern thee then thin thir tier tine ting tire tree tref trig