Answer:
延 EN, noba(su), no(biru), no(beru) - lengthen, prolong, postpone
一+川+工+山 ICHI, ITSU, hito(tsu) - one / SEN, kawa - river / KOU, KU - artisan, skill, work / SAN, yama, mountain
イ Katakana "I"
売 BAI, u(ru) - sell
周 SHUU, mawa(ri) - round. loop. lap
Add 言 (GEN, GON, i(u), koto - Say, speech) so that they can say something else!
誕 TAN - birth
謡 YOU, uta(u) - sing, song, Noh chant
信 SHIN - believe
読 DOKU, yo(mu) - read
調 CHOU, shira(beru), totono(eru) - investigate, prepare