Answer:
東 TOU, higashi - east
内 NAI, uchi - inside
工 KOU, KU - artisan, skill, work
充 JUU, a(teru) - fill, allot, apply to
県+一+心+ノ KEN - prefecture, province / ICHI, ITSU, hito(tsu) - one / SHIN, kokoro - heart / Katakana "No"
Add 糸 (SHI, ito - thread) to make different characters:
練 REN, ne(ru) - knead, polish, train
納 NOU, TOU, NA, NAN, osa(meru) - pay, supply, accept, store
紅 KOU,KU, kurenai, beni - deep red
統 TOU, su(beru) - govern, control
懸 KEN, KE, kake(ru), kaka(ru) - hang, offer, give