to sip; to smack one's lips; to taste; to savor

strokes 8
strokes after radical 5
点头咂嘴 點頭咂嘴 dian3 tou2 za1 zui3
to approve by nodding one's head and smacking one's lips (idiom)

咂摸 咂摸 za1 mo5
(dialect) to savor; to test the taste of; (fig.) to ponder upon; to mull over