However , gradation is more limited than it is in the more northern Sami languages , because it occurs only after long vowels or diphthongs .
Unlike its southern neighbor Southern Sami , Ume Sami has consonant gradation .
Gradation is more limited than gradation is in the more northern Ume Sami languages , because gradation occurs only after long vowels or diphthongs .
Unlike its southern neighbor Southern Sami , Ume Sami has consonant gradation .