Types of word structure used for comparing vowel durations in open/open and open/closed syllables were: (C)VCV (vel'e/val'a 'a village', kudo/-a 'a house', ul'i/-a 'is, there is'), VCVC (aras, apak 'no, not', osos 'the city', ul'it' 'are, there are') and VCCV (os...