169 to /iw/, but */ai/ may change to /ay/ or /i:/. uka ‘that’ + -:- verbalizer + -iri ‘actor' > uka.yri ~ uk.i:ri ‘that one there' Similar vowel sequence avoidance rules may be frozen in the 3+1 and 3+4 Remote Indirect Knowledge tense suffixes in certain dialects (see 6-3.35.2). 4-3.22.14 Reduction of vowel-glide-vowel to long or plain vowel! Reduction of vowel-glide-vowel to long or plain vowel affects only a few morphemes, although they have a high functional load: certain nouns (two numbers, two demonstratives, and a personal pronoun) and a verbal deri- vational suffix. In all cases but one the vowel-glide- vowel sequence is /aya/; /uyu/ occurs in a demonstrative in one dialect. All dialects having /aya/ (or /uyu/) base forms in nouns reduce the vowel-glide-vowel sequence to long vowel when the nouns occur as modifiers. All dialects also reduce vowel-glide-vowel sequences in certain nouns before certain suffixes. The two nouns that occur in all dialects in vowel- glide-vowel form are the numbers /maya/ 'one' and /paya/ ‘two'. In Jopoqueri the reduced allomorphs /ma:/ and /pa:/