Here are some loan-words written with the nasalized dipthong   e ac\ [aun].

READING

You will read this word ekac\;ekac\; as [kàun kàun] when you are reading as it is written, but it is sometimes read or said [kàun gàun] and sometimes [kàun ngàun].  Notice that the consonant [k] that follows the nasalized dipthong changes to the nasalized consonant [ng].  Nasalization of the consonant following after a nasalized vowel usually occurs when a speaker says a word fast. 

WRITTEN		READ
etac\;pn\	[tàun pan]	[taun ban]
		[tàun man]
ekac\;ty\	[kàun teh]	[kàun deh]
		[kàun neh]
esac\TE	[saun hteh]	[saun deh]
		[saun nèh]