簡 （カン） simplicity, brevity, letter, note, correspondence, bamboo writing strip (in ancient China), simplified Chinese character

簡易 （カンイ） simple, simplified, easy, plain

書簡 （ショカン） letter, note, epistle, correspondence

来簡 （ライカン） correspondence, received letter

不料簡 （フリョウケン） indiscretion, bad idea, thoughtlessness, indiscreetness

札 （ふだ） ticket, token, check, receipt, label, tag, sign, card, plate, playing card, charm, talisman, slip of paper posted on shrine pillars by pilgrims