it I|T is I|Z IH|S I|S necessary N|I|S|AX|S|I|R|I N|EH|SH|AX|SH|EH|R|I N|I|SH|AX|SH|I|R|I N|EH|S|AX|S|EH|R|IH N|I|S|AX|S|I|R|IH N|EH|SH|AX|SH|EH|R|IH N|I|SH|AX|SH|I|R|IH as A|Z AE|S A|S there D|EH|R DH|I|R D|I|R are U|R always U|L|W|E + I|Z AO|L|W|A|Z U|L|W|A|Z AO|L|W|E + I|S U|L|W|E + I|S AO|L|W|A|S U|L|W|A|S