U
u2af1, u2af2, uaca, uap1, uap1l1, uba1, uba2, uba3, uba5, uba52, uba6, ubac1, ubac2, ubap1, ubap2, ubap2l, ubash3b, ubb, ubc, ube2a, ube2b, ube2c, ube2cbp, ube2d1, ube2d3, ube2d4, ube2e1, ube2e2, ube2e3, ube2f, ube2g1, ube2g2, ube2h, ube2i, ube2j1, ube2j2, ube2k, ube2l3, ube2m, ube2n, ube2o, ube2q2, ube2ql1, ube2r2, ube2s.1, ube2s.2, ube2t, ube2u, ube2v1, ube2v2, ube2w, ube2z, ube3a, ube3b, ube3c, ube4a, ube4b, ubfd1, ubiad1, ubl3, ubl4a, ubl5, ubl7, ublcp1, ubn1, ubn2, ubox5, ubp1, ubqln1, ubqln4, ubr1, ubr2, ubr3, ubr4, ubr5, ubr7, ubtd1, ubtd2, ubtf, ubtf.2, ubxn1, ubxn10, ubxn11, ubxn2a, ubxn2b, ubxn4, ubxn6, ubxn7, ubxn8, uchl1, uchl3, uchl5, uck1, uck2, uckl1, ucn3, ucp1, ucp2, ucp3, uevld, ufc1, ufd1l, ufm1, ufsp2, ugcg, ugdh, ugdh.2, uggt1, uggt2, ugp2, ugt1a1, ugt1a6, ugt2a1, ugt2a2, ugt2b4, ugt3a2, ugt8, uhrf1, uhrf1bp1, uhrf1bp1l, uhrf2, ulk1, ulk2, ulk3, ulk4, umod.1, umod.2, umod.3, umodl1, umps, unc119, unc119b, unc13a, unc13b, unc13c, unc13d, unc45a, unc45b, unc50, unc5a, unc5b, unc5c, unc5d, unc80, unc93a, unc93b1, uncx, ung, unk, unkl, upb1, upf0639, upf1, upf2, upf3a, upf3b, upk1a, upk1b, upk2, upk3a, upk3b, upp1, upp2, uprt, uqcc, uqcr10, uqcr11, uqcrb, uqcrc1, uqcrc2, uqcrfs1, uqcrh, uqcrq, urb1, urb2, urgcp, urm1, uroc1, urod, uros, urpta-1, use1, usf1, usf2, ush1c, ush1g, ush2a, usmg5, uso1, usp1, usp10, usp12, usp13, usp14, usp15, usp16, usp18, usp19, usp2, usp20, usp21, usp22, usp24, usp25, usp27x, usp28, usp3, usp30, usp31, usp32, usp33, usp34.1, usp34.2, usp35, usp36, usp37, usp38, usp39, usp4, usp40, usp42, usp43, usp44, usp45, usp46, usp47, usp48, usp49, usp5, usp53, usp54, usp6nl, usp7, usp8, usp9x, uspl1, ust, utp11l, utp14a, utp15, utp18, utp20, utp23, utp3, utp6, utrn, uts2, uts2d, uts2r, uvrag, uvs.2, uxs1,