The next letters on the list, if it comes to it, which it probably will, are epsilon, zeta, eta and theta. As for the desire to avoid hurt feelings, some may consider it oversensitivity. (B.1.1.7s new name is Alpha.) These old names are not abandoned. ALPHA, BETA, gamma, delta.
formed countries refers to absentia ephilia.
( z0 refer :ARG0 ( z1 country :ARG1-of ( z2 form ) ) :ARG1 ( z3 ephilia :ARG1-of ( z4 absent ) ) )
(z0 / refer-01
    :ARG0 (z1 / country
              :ARG1-of (z2 / form-01))
    :ARG1 (z3 / ephilia
              :ARG1-of (z4 / absent-01)))
formed countries refers to absentia ephilia .
z1 :ARG1-of z2
z0 :ARG0 z1
z3 :ARG1-of z4
z0 :ARG1 z3