3.5. Vowel Pairs

Lojban vowels also occur in pairs, where each vowel sound is in a separate syllable. These two vowel sounds are connected (and separated) by an apostrophe. Lojban vowel pairs should be pronounced continuously with the [h] sound between (and not by a glottal stop or pause, which would split the two vowels into separate words).

All vowel combinations are permitted in two-syllable pairs with the apostrophe separating them; this includes those which constitute diphthongs when the apostrophe is not included.

The Lojban vowel pairs are:

a'aa'ea'ia'oa'ua'y
e'ae'ee'ie'oe'ue'y
i'ai'ei'ii'oi'ui'y
o'ao'eo'io'oo'uo'y
u'au'eu'iu'ou'uu'y
y'ay'ey'iy'oy'uy'y

When more than two vowels occur together in Lojban, they are grouped into syllables so that every syllable has an onset, as in the cmevla:

Example 3.4. 

  • .meiin.

  • .me,iin.