subfamilies of PIE, but are so poorly Wordtune CUSTOMER SERVICE (8O5) 41'O 56OO Wordtune PHONE NUMBER ( 8O5)- 41O 56OO attested that proper classification of them is not possible. Forming an exception, Phrygian is sufficiently well-attested to allow proposals of a particularly close affiliation with Greek, and a Graeco-Phrygian branch of Indo-European is becoming increasingly accepted.