Compounds of

• ロゴ
  (n) (1) logo
  (2) (abbr) logotype
  (P)
• ロス
  (n,vs) (1) loss
  (n) (2) (abbr) Los Angeles
  (P)
• ロゼ
  (n) rose (wine) (fre:)
  pink wine
  (P)
• ロハ
  (n) (col) free
• ロバ
  (n) robber
  (P)
• ロバ
  (n,adj-no) (uk) donkey
  ass
• ロブ
  (n) lob
  (P)
• ロマ
  (n) Roma
  Rom
• ロリ
  (n) (1) (abbr) Lolita complex (sexual attraction to children, esp. young girls)
  (adj-f) (2) portraying children in an erotic style
• ロ軍
  (n) (abbr) Russian army
• ロ調
  (n) key of B (music)
• ワウ
  (n) wow
  (P)
• ワジ
  (n) wadi (ara:)
  river bed (usu. dry)
  arroyo
• ワス
  (n) (comp) WAS
• ワッ
  (int) ulp
• ワニ
  (n,adj-no) (1) crocodile
  alligator
  crocodilian
  (2) (arch) shark
• ワン
  (n) one
  (P)
• ワ冠
  (n) kanji "wa" radical at top (radical 14)
• ヲタ
  (n,suf) (col) (abbr) nerd
  geek
  enthusiast
• ヵ月
  (ctr) (number of) months
  (P)
• ヶ月
  (ctr) (number of) months
  (P)
• ヶ国
  (ctr) counter for countries
• ヶ所
  (n) passage
  place
  point
  part
• α波
  (n) alpha wave
• β波
  (n) beta wave
• β版
  (n) (comp) beta version
• γ線
  (n,adj-no) gamma rays
• 亜ぐ
  (v5g,vi) to rank next to
  to come after
• 亜鉛
  (n) zinc (Zn)
  (P)
• 亜欧
  (n) Asia and Europe
  Eurasia