nihao nihoa nihon ninan ninco ninga ningi ninia ninna ninon niono nnooo no-do no-go no-no noach nocan noci- nocin nodi- nogai nogna nogod nohai nohao nohic nohno noida noigh nona- nonac nonad nonan nonda nondo nonia nonic nonin nonio nonna nonni nonno nonoh o-dog oando ocado ocana occii ochna ochoa ocian ocoid odagi odaia odani odiid odina oding ogahi ogain oggin ogidi ogino ognon ogogo ogoni oh-oh ohada ohain ohana ohgod ohian ohing ohnic oichi oidia oina oingo oino- oinoi onado onaga onand onano onaon onch- onchi onci- oncia onco- onggi ongha ongin ongod ongon oniai onica onich onida onin oning onion onnia onoda onond onoon ooioo oonga oonin ooooh ooooo