65534 characters in the Supplementary Private Use Area-A Unicode block, from number 65508.
U+FFFE3PRIVATE-USE-FFFE3U+FFFE4PRIVATE-USE-FFFE4U+FFFE5PRIVATE-USE-FFFE5U+FFFE6PRIVATE-USE-FFFE6U+FFFE7PRIVATE-USE-FFFE7U+FFFE8PRIVATE-USE-FFFE8U+FFFE9PRIVATE-USE-FFFE9U+FFFEAPRIVATE-USE-FFFEAU+FFFEBPRIVATE-USE-FFFEBU+FFFECPRIVATE-USE-FFFECU+FFFEDPRIVATE-USE-FFFEDU+FFFEEPRIVATE-USE-FFFEEU+FFFEFPRIVATE-USE-FFFEFU+FFFF0PRIVATE-USE-FFFF0U+FFFF1PRIVATE-USE-FFFF1U+FFFF2PRIVATE-USE-FFFF2U+FFFF3PRIVATE-USE-FFFF3U+FFFF4PRIVATE-USE-FFFF4U+FFFF5PRIVATE-USE-FFFF5U+FFFF6PRIVATE-USE-FFFF6U+FFFF7PRIVATE-USE-FFFF7U+FFFF8PRIVATE-USE-FFFF8U+FFFF9PRIVATE-USE-FFFF9U+FFFFAPRIVATE-USE-FFFFAU+FFFFBPRIVATE-USE-FFFFBU+FFFFCPRIVATE-USE-FFFFCU+FFFFDPRIVATE-USE-FFFFD