a [1] b1 [2] b2 [2] b3 [2]

  1. ^ x
  2. ^ a b c y

a-a [lower-alpha 1] a-b1 [lower-alpha 2] a-b2 [lower-alpha 2]

  1. ^ x
  2. ^ a b y

A-a [upper-alpha 1] A-b1 [upper-alpha 2] A-b2 [upper-alpha 2]

  1. ^ x
  2. ^ a b y

r-a [lower-roman 1] r-b1 [lower-roman 2] r-b2 [lower-roman 2]

  1. ^ x
  2. ^ a b y

R-a [I] R-b1 [II] R-b2 [II]

  1. ^ x
  2. ^ a b y

d-a [decimal 1] d-b1 [decimal 2] d-b2 [decimal 2]

  1. ^ x
  2. ^ a b y

g-a [a] g-b1 [b] g-b2 [b]

  1. ^ x
  2. ^ a b y

X-a [abcdefgh 1] X-b1 [abcdefgh 2] X-b2 [abcdefgh 2]

  1. ^ x
  2. ^ a b y