The Leke script is not yet in Unicode. The script has a tentative allocation at U+11B50..U+11B8F in the  Roadmap to the SMP for the Unicode Standard.

A number of proposals for its inclusion have been submitted to the Unicode Technical Committee and WG2:

2012-09-20 Preliminary Proposal to add the Leke Script in the SMP of the UCS — Erich Fickle, Martin Hosken ( WG2 N4344,  L2/12-363)

2013-04-26 Revised Proposal to add the Leke Script in the SMP of the UCS — Erich Fickle, Martin Hosken ( WG2 N4438,  L2/13-116)