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ab ae ai al ar ba be bi el er la li pa pe pi re up

ail air alb ale alp ape arb are bal bap bar bel bib bra brr bub bur ear eau ebb era err ire lab lap lar lea lei leu lib lie lip pal par pea per pia pie piu pub pul pur rai rap reb rei rep ria rib rip rub rue urb urp

abbe able abri aper aril babe babu bail bale barb bare bear beau bier bile birl birr blab blae bleb blip blub blue blur brae brie bulb bura burb burl burp burr earl ilea lair lari leap lear liar lier lieu lipa lipe lira lire lube lure pail pair pale pare parr peal pear peri pial pier pile plea pleb plie prau pula pule puli pure puri purl purr rail rale rape rare real reap rear rial riel rile ripe rube ruer rule urea