Herbert supposes the diphthongs to be "the first perhaps used in this kingdom."
If they appear as proper diphthongs, they follow the rule of diphthongs.
The nasalising of these diphthongs adds to the unpleasant effect.
All words have as many syllables as they have vowels and diphthongs.
There are as many syllables in a word as there are separate vowels and diphthongs.
Anglo-Saxon diphthongs are written as e, e with stress on second vowel.
The diphthongs are pronounced with the stress on the first element.
The diphthongs, long and short, have the stress upon the first vowel.
The diphthongs and œ are sounded like e: as cdo, pronounced ce'do.
How do we know whether or not these compounds are diphthongs or digraphs?