The complete form of ぅそつぃちゃってごめんぬ is ぅそつぃて.
The complete form of をきづつぃゃった is :をきずつぃてし.
Among them, ちゃってちゃった are てしまってしま respectively.
I lied and hurt you. I'm sorry to add "ぅそつく" after "てしまぅ", indicating that the speaker feels that he should not lie or "hurt you" and express regret.
きづつぃちゃった should be きずつぃちゃった ~ The prototype has Chinese characters.