3 letters:
yim, yin, yip

4 letters:
bing, ding, ging, hing, jing, jung, king, ling, lyng, ming, ning, ping, qing, ring, sing, ting, wing, xing, yang, year, yong, yung, zing

5 letters:
ching, ringe, shing, singh, thing, wring, yeung, young

6 letters:
yinger