AP AQ AR AS AT AU AW AX AK AL AM AN AB AC AD AE AG AH
BQ BR BS BT BU BW BX BY BZ BK BL BM BN
CP CQ CR CS CT CU CW CX CY CZ CK CL CM CN CA CB CD CE CF
DP DQ DR DT DU DW DX DZ DK DL DM DN
EP EQ ES ET EU EX EY EZ EK EL EM EN
FP FQ FS FT FU FW FX FY FZ FN
GP GQ GR GS GT GU GW GX GY GK GL GM GN
HP HQ HR HS HT HU HW HY HZ HK HL HM HN
JP JR JS JT
KP KQ KR KS KT KU KW KX KY KZ KA KB KC KD KE KF KG KH KJ
LP LQ LR LU LW LZ LC LE LF LH LJ
MP MQ MR MS MT MU MW MX MZ MA MB ME MF MG MH MJ
NA NB NC NE NF NP NR NS NT NU NW
PA PB PE PF PG PH PK PL PM PN
QA QB QC QD QE QF QG QJ QK QL QM QN
RB RD RE RF RG RH RJ RL RM RN
SA SB SC SD SE SF SG SH SJ SK SL SM SN
TA TB TC TD TE TF TG TH TJ TK TL TM TN
UA UB UC UD UE UF UG UK UL UM UN
WB WD WE WG WH WJ WL WM WN
XA XB XC XD XE XF XG XH XJ XK XL XM XN
YA YB YC YD YE YF YH YK YM YN
ZB ZC ZD ZK {bao)
