Compounds of

• バイ
  (n) (1) by
  (2) bye
  (P)
• バウ
  (n) (comp) BOW
• バカ
  (adj-na,n) fool
  idiot
  trivial matter
  folly
• バグ
  (n) (comp) (computer) bug
• バス
  (n) (1) bus
  (2) bath
  (3) bass
  (P)
• バズ
  (n) buzz
• バド
  (n,vs) (abbr) badminton
• バネ
  (n) (uk) spring (e.g. coil, leaf)
  mainspring
  power spring
• バピ
  (n) (comp) BAPI
• バラ
  (n) (abbr) bulk storage
• バラ
  (n) (uk) rose
• バリ
  (n) burr
• バル
  (n) (abbr) balcony
• バン
  (n) (1) bun
  (2) van (caravan)
  (3) (comp) value-added network
  VAN
  (P)
• バ行
  (n) classification for Japanese verb with the dictionary form ending in "bu"
  "ba" column or row of the kana syllabary
• パー
  (n) (1) par
  common score for some activity (e.g. strokes for a hole in golf)
  (2) paper (in rock-paper-scissors game)
  (3) apiece
  each
  (4) price-earnings ratio
  (5) (abbr) percent
  (P)
• パイ
  (n) pie
  tart
  (P)
• パグ
  (n) pug (variety of dog)
• パス
  (n) (1) path
  (n,vs) (2) pass (e.g. skipping a move, passing an examination, ticket to allow entry, etc.)
  (P)
• パソ
  (n) (comp) (abbr) personal (computer)
• パッ
  (int) poof
• パテ
  (n) (1) putty
  (2) pate (ger:)
  (P)
• パパ
  (n) Papa
  (P)
• パフ
  (n) (powder) puff
• パブ
  (n) pub
  (P)
• パラ
  (n) (1) parlor
  parlour
  (pref) (2) para-
• パリ
  (n,adj-no) Paris
  (P)
• パン
  (n) (1) bread (por: pao)
  pastries (e.g. croissants)
  pastry-based products
  (2) pan
  frying pan
  (n,vs) (3) panning (in a film)
  (P)
• パ行
  (n) classification for Japanese verb with the dictionary form ending in "pu"
  "pa" column or row of the kana syllabary
• ヒア
  (n) (1) hear
  (2) here
  (P)