to start/begin to write / (computing) to write

the mon, an old currency / a unit of length for measuring the size of one's foot (from the way that the mon coins would be lined up and used as a kind of inch marker) / a character, a letter

顎, 腭, 頤: a chin; a lower jaw; a meal; chit-chat, talk; alternate for 鮟鱇 (ankō, “anglerfish”) / 腮: a gill; alternate for 鐖 (agu, “the barb on a hook”) / 顋: a lower jaw; a gill

岩波, 岩浪, 岩並: a surname