Trim along the lengths of all the points on the star fruit, slice thinly and remove any pips with the point of a knife. Peel and stone the lychees. Slice the kumquats. Peel and slice the kiwi fruit. Peel, stone and chop the mango. Mix together all the fruits in a bowl. Sprinkle over the lime juice, sugar and Pernod and stir well. Chill for at least 1 hour before serving.