• veat one breast,
• neat one breast,
• heat one breast,
• geat one breast,
• bwat one breast,
• bsat one breast,
• bdat one breast,
• brat one breast,
• b4at one breast,
• b3at one breast,
• bezt one breast,
• best one breast,
• bewt one breast,
• beqt one breast,
• bear one breast,
• beaf one breast,
• beag one breast,
• beay one breast,
• bea6 one breast,
• bea5 one breast

The adjective form of the phrase "beat one's breast" would be "breast-beating".