This is a possessive paradigm for the inanimate noun mo’tsís ‘arm, hand’. If you hover over a Blackfoot word, a pronunciation guide will be available. Pronunciation guides are provided by Beverly Little Bear Hungry Wolf (received in Jul 2017).

This the paradigm for the singular possessed object, i.e. ‘arm or hand’:

Possessive paradigm for ‘arm, hand’
  Blackfoot word English Person
no’tsisi ‘My hand’ 1SG
ko’tsisi ‘Your (singular) hand’ 2SG
o’tsisi ‘His/her hand’ 3SG
no’tsinnaani ‘Our (not including you) hand’ 1PL
ko’tsinnooni ‘Our (including you) hand’ 21
ko’tsoaawayi ‘Your (plural) hand’ 2PL
o’tsoaawayi ‘Their hand’ 3PL

Note: 1PL, 21, 2PL, and 3PL are semantically odd in English.

This is the paradigm for the plural possessed object, i.e. arms or hands:

Possessive paradigm for ‘arms, hands’
  Blackfoot word English Person
no’tsíístsi ‘My hands’ 1SG
ko’tsíístsi ‘Your (singular) hands’ 2SG
o’tsíístsi ‘His or her hands’ 3SG
no’tsinnaanistsi ‘Our (not including you) hands’ 1PL
ko’tsinnoonistsi ‘Our (including you) hands’ 21
ko’tsoaawawaistsi ‘Your (plural) hands’ 2PL
o’tsoaawaistsi ‘Their hands’ 3PL