Wɛll, expand ðe əmoʊnt əf lɛttərs.
Make ðose cɔmbinations mɔre divərse.
Ðere are already a lɔt əf letters ðat exist in əthər scripts, like Icelandic usiŋ Þ and Ð, ɔr africən laŋguadʒes usiŋ Ŋ, Ɛ and Ɔ.
Ðis way I'm typiŋ hasn't used evəry lettər I had in mind whilst typiŋ.
Alðough ðis prɔbably would nevər work, at least ðe amount of lettərs has increased.
I could see Þ, Ð and Ŋ appeariŋ, but othərs might nɔt.