Answer:
冬 TOU, fuyu - winter
吉 KICHI, KITSU, yoshi - good luck
⼹+水 The "Keigashira" radical - pig's head / SUI, mizu - water
イ+一 Katakana "I" / ICHI, ITSU, hito(tsu) - one
及 KYUU, oyo(bu), oyo(bosu) - reach, amount to, match, equal
Add 糸 (SHI, ito - thread) to make different characters:
終 SHUU, o(waru), o(eru) - end, finish
結 KETSU, musu(bu), yu(u) - tie up, bind
緑 RYOKU, ROKU, midori - green
係 KEI, kaka(ru) - relate to, concern, charge, duty
級 KYUU - rank, class