三声母 四声母 不限
说明: 含Aa、Ee、Oo
不限 A B C D E F G H J K L M N O P Q R S T W X Y Z
OA OB OC OD OE OF OG OH OJ OK OL OM ON OO OP OQ OR OS OT OW OX OY OZ
oem (3)
oew (3)
oeh (2)
oex (2)
oed (1)
oej (1)
oek (1)
oel (1)
oen (1)
oes (1)
oet (1)
oey (1)