In case of capitalization, only the first letter of digraphs and of the trigraph dzs is written in upper case with the exception of acronyms and all-uppercase inscriptions.
The same combination of letters might not be the digraph or trigraph but might be just the non-nasal vowel followed by the consonant at full weight.
Typical of this system is the trigraph "oeu" for the vowels and.
In addition to the registration many gliders still show a large trigraph or competition number on the fin and on the underside of a wing.
A phoneme can also be represented by three letters, called a trigraph.
The combination is a digraph or trigraph indicating the nasalized vowel.
A programmer may want to place two question marks together yet not have the compiler treat them as introducing a trigraph.
Katie-May Blight in Year One was able to tell me that she actually had a trigraph in her name.