They D|E + I DH|A D|A are U|R generally JH|I|N|ER|AX|L|I JH|EH|N|I R|AX|L|I JH|I|N|I R|AX|L|I JH|EH|N|ER|AX|L|IH JH|I|N|ER|AX|L|IH JH|EH|N|I R|AX|L|IH JH|I|N|I R|AX|L|IH easy IH|Z|IH I|S|I IH|S|IH to T|O use Y|O|S Y|U|SH Y|O|SH except I|K|S|I|P|T IH|K|SH|EH|P|T I|K|SH|I|P|T for P|AO|R F|U|R P|U|R the D|AX diaphragm JH|A + I|AX|F|R|AE|M D|IH|AX|F|R|AE|M JH|IH|AX|F|R|AE|M D|A + I|AX|P|R|AE|M JH|A + I|AX|P|R|AE|M D|IH|AX|P|R|AE|M JH|IH|AX|P|R|AE|M D|A + I|AX|F|R|A|M JH|A + I|AX|F|R|A|M D|IH|AX|F|R|A|M JH|IH|AX|F|R|A|M D|A + I|AX|P|R|A|M JH|A + I|AX|P|R|A|M D|IH|AX|P|R|A|M JH|IH|AX|P|R|A|M and AX|N|JH cervical SH|ER|V|AX|K|AX|L S|I R|V|AX|K|AX|L SH|I R|V|AX|K|AX|L S|ER|B|AX|K|AX|L SH|ER|B|AX|K|AX|L S|I R|B|AX|K|AX|L SH|I R|B|AX|K|AX|L cap K|A|P Barrier B|A|R|I|ER B|AE|R|IH|ER B|A|R|IH|ER B|AE|R|I|I R B|A|R|I|I R B|AE|R|IH|I R B|A|R|IH|I R methods M|I|TH|AX|D|Z M|EH|T|AX|D|Z M|I|T|AX|D|Z M|EH|TH|AX|JH|Z M|I|TH|AX|JH|Z M|EH|T|AX|JH|Z M|I|T|AX|JH|Z M|EH|TH|AX|D|S M|I|TH|AX|D|S M|EH|T|AX|D|S M|I|T|AX|D|S M|EH|TH|AX|JH|S M|I|TH|AX|JH|S M|EH|T|AX|JH|S M|I|T|AX|JH|S