yi- - "conditional, irrealis", This prefix denotes the idea of "if" or "when" when not combined with a negative article. It can also be combined with ᎨᏍᏗ gesdi, Ꮳ tsa> (Eastern) or Ꮭ tla (Western) to negate the verb.
tsi- - "I", This is an "A" Class bound pronoun, used before a consonant.
-sduhvsg- - verb stem for "close" with progressive "g".
-o'i - present habitual tense suffix.