AB, AL, BA, BB, BH, BL, BN, BR, BS, BT, CB, CF, CH, CM, CO, CR, CT, CV, CW, DA, DD, DE, DN, DT, DY, EC, EH, EN, EX, FK, FY, GL, GU, GY, HA, HD, HP, HR, HS, HU, HX, IG, IM, IP, IV, JE, KA, KT, KW, KY, LD, LE, LL, LN, LS, LU, ME, MK, ML, NG, NN, NP, NR, NW, OL, OX, PA, PE, PH, PL, PO, PR, QC, RG, RH, RM, SA, SE, SG, SK, SL, SM, SN, SO, SP, SS, ST, SW, SY, TA, TF, TN, TQ, TR, TW, UB, WA, WC, WD, WF, WN, WR, WS, WV, ZE,