Alien Language solutions

Alien Language was solved using Objective-C by 5 contestants. Solution sizes: average 5345 bytes (shortest: 4006; longest: 7707).

4882.

Stream (S, L) (7707 B)
5707.

lid (S, L)
5852.

Seventoes (S, L) (4006 B)
7431.

.max (S, L) (4333 B)
8090.