boole in, boule in, coeur in, coole in, cool in, cool ing, doer in, doolan, do run, du lin, du rhin, du ring, ghoul in, kula in, poole in, pool in, poore in, poor in, poor inn, pu lun, thuy linh, toolan, toole in, tool in, to ring, to run, tula in, tulle in, tu lun