PRELUDIUM

de ed el em er id li me mi mu pe pi re um up

del die dim dip due dui dup eld elm emu imp ire led lei leu lid lie lip lum med mel mid mil mir mud ped per pie piu pud pul pur red rei rem rep rid rim rip rue rum ulu ump urd urp

deil deli derm diel dime dire dirl drip drum duel dump dupe dure emir idem idle ired leud lied lier lieu lime limp lipe lire lude lump lure meld merl mild mile mire mule mure peri perm pied pier pile pled plie plum prim pule puli pure puri purl ride riel rile rime ripe rude rued rule rump