challenge
The options
philosopherontap Philosopherontap pHilosopherontap phIlosopherontap philLosopherontap philOsopherontap philoSopherontap philosOpherontap philosoPherontap philosopHerontap philosophErontap philosopheRontap philosopherOntap philosopheroNtap philosopheronTap philosopherontAp philosopherontaP ph1losopherontap phil0sopherontap philos0pherontap philosoph3rontap philosopher0ntap philosopheront4p
The challenge
A word of 16 letters – all of which have two variables some of which have three. How many combinations of spellings are there?
phiL0sopherontap – m4k1ng you think