These words will be most useful to you:

sahqo 'red'
bii 'blue'
graag 'green'
sik 'rune', poorly understood but might extend to 'marking'

kendov 'warrior'
krif 'fight'
zun 'weapon', possibly synecdoche-ing its user as in sovrahzun 'mercenary'

rovaan 'wander'
wundun 'travel'
bo 'go'

To make a strict-form dragon name, string together any three monosyllables from this list. To make a loose-form dragon name, string together any combination of three or four syllables from this list.