Vowels produce 'end-characters'. These are used whenever a string of symbols start or end.
Consonants make 'middle-characters'.
Numerals are zero-width characters. these can be used whenever you feel like it, they will float above and below the string of symbols. Puncuation adds extra spice.
Hold down ‘shift’ and you get the individual symbols mirrored. (very useful with the vowels.) More…