Compounds of

• ロ
  (n) 2nd in a sequence denoted by the iroha system
  2nd note in the diatonic scale (used in key names, etc.)
• ヰ
  (n) (obs) katakana for "wi"
• ヱ
  (n) (obs) katakana for "we"
• ヶ
  (ctr) (read as "ka") counter for the ichi-ni-san counting system (usu. directly preceding the item being counted)
  a noun read using its on-yomi
• Α
  (n) alpha
• Β
  (n) beta
• Ε
  (n) epsilon
• Ε
  (n) epsilon
• Ζ
  (n) zeta
• Η
  (n) eta
• Η
  (n) eta
• Θ
  (n) theta
• Θ
  (n) theta
• Ι
  (n) iota
• Κ
  (n) kappa
• Κ
  (n) kappa
• Λ
  (n) lambda
• Μ
  (n) mu
• Ν
  (n) nu
• Ξ
  (n) xi
• Ξ
  (n) xi
• Ξ
  (n) xi
• Ο
  (n) omicron
• Π
  (n) pi
• Ρ
  (n) rho
• Σ
  (n) sigma
• Τ
  (n) tau
• Υ
  (n) upsilon
• Υ
  (n) upsilon
• Υ
  (n) upsilon