Usọ usem ìre ikween̄-inu eyi òkiwọlọ usem igọọk me ubọk irọ-inu ebi ifuk-ibot nrom.
Usọ usem ìkaan̄ atagọọk go òsisibi isi: ikween̄-inu ofolek ida-amọn, ikween̄-inu ofolek okpọkọ cha òkup me lek ikọ, ikween̄-inu ofolek onineen̄ ikọ mè ike ekititiin̄ ikọ me emen usem, ikween̄-inu ofolek inu ikọ ge ge osibibe mè ikween̄-inu ofolek usem etumube osibibe.