son( sun )( ton ) noon( moon )( soon ) look(book)( took ) mum( mom )( mud ) but(buy)( bus ) cat( car )( bat ) stay( star )( stab )
son( sun )( ton ) noon( moon )( soon ) look(book)( took ) mum( mom )( mud ) but(buy)( bus ) cat( car )( bat ) stay( star )( stab )