From a small list gathered by my father I judge that the aspirate is probably similar to the Iowa, and that the subvocal represents Dak and I E dentals.
Hayden does not distinguish the subvocal and aspirate th in Omaha.
When an aspirate and subvocal comes together, it is necessary to change the sound of one or the other, to make the combination pronounceable.
I let out a subvocal squeal and was pitched forward as the ride system shuddered to a stop.
I muted the subvocal and said, "Lil, I've got to take this.
Words ending with subvocal sounds should be selected for practice on the subvocals; words beginning or ending with aspirate sounds may be used for practice on the aspirates.
Pronounce the word in the CHART forcibly, and with the falling inflection, several times in succession; then drop the subvocal or aspirate sounds which precede or follow the vocal, and repeat the vocals alone.
Select words ending with subvocal sounds for practice on subvocals; words beginning or ending with aspirate sounds, for practice on aspirates.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "subvocal" in a variety of sentences. We hope that you will now be able to make sentences using this word.