https://en.wikipedia.org/wiki/Glottal_stop_(letter)

...and there's more...'dangerman' used to program himself in as the 'whistler'....he had a certain masonic 'whistle'...a really shrill, horrible sound....anyway, remember Tomlinson programming himself in as the '?'....

 

'dangerman' was then to have an argument with his 'masters'...see below....she was to say that they wanted to be known as 'squamish' and 'whistler'....anyway, she then agreed that he could do the 'whistle' but that was all....go figure:

 

 

you might also find the following computer codes, interesting - gill...the CIA certainly did..."let's start from there"....go figure:

 

 

oh and they were to figure that you might like to have a look at the following, too....spiritus lenis....'smooth breathing'....go figure:

https://en.wikipedia.org/wiki/Smooth_breathing

 

...the Unicode....go figure: