Problem:IOL/2007/i2/en

IOL 2007 Problem #2 Movima
Given below are words of the Movima language in two forms: the base form and the negative form. Some forms have been left out:

(a) Instead of standing for a sequence of two sounds, a certain combination of two letters always stands for a single specific consonant in Movima. Which combination is this?

(b) Fill in the gaps.

⚠ y reads as y in yahoo, č as ch in church, ł, ń, ’ are specific consonants in Movima; a colon after a vowel indicates length. A tipoy is a long sleeveless chemise worn by Indian women. The Movima language is spoken by approx. 1500 people in the north of Bolivia. It is not known to be related to any other language.

—Dmitry Gerasimov