Men greeting Men – A firm handshake is the norm in most all situations.  Good friends and family may add a light pat on the back or hug. 

Women greeting Women – When meeting for the first time a handshake is common. Sometimes a nod and verbal greeting will suffice. Good friends and family usually kiss on the cheek and engage in a light hug.  In rural areas, many women will pat each other's upper arms with both hands as they say hello.

Men greeting Women – Informally, just a nod and/or verbal greeting is the norm. A handshake is common if it’s a bit more formal.  It's best to wait from the woman to extend her hand first.  A light hug and a cheek kiss are common for friends and family.