[kissickas]

People get around the problem of not being able to type these letters by adding an x or an h (cx, gx, ux). Apparently Zamenhof himself was addressing the issue in order to make the language "simpler," as well.

https://en.wikipedia.org/wiki/Esperanto_orthography#ASCII_tr...

https://forum.unilang.org/viewtopic.php?t=44907