OPERCULAR

ae al ar el er la lo oe op or pa pe re up

ace ale alp ape apo arc are cap car cel cep col cop cor cru cue cup cur ear eau ecu era err lac lap lar lea leu lop oar oca ole ope ora orc ore our pac pal par pea pec per pol pro pul pur rap rec rep roc roe rue upo urp

acre aero alec aloe aper arco calo cape capo care carl carp carr caul cero clap clop clue coal cola cole cope core coup crap crop cure curl curr earl ecru euro lace leap lear loca lope lore loup lour luce lure olea opal oral orca orle orra pace pale pare parr peal pear plea pole pore pour prao prau proa puce pula pule pure purl purr race rale rape rare real reap rear repo roar role rope roue roup ruer rule urea