SPRP in base 79 and 83

For these bases 26 and 25, I found hitherto:
(26^5+25^5)/51
(26^13+25^13)/51
(26^823+25^823)/51
(26^4241+25^4241)/51
(26^7757+25^7757)/51
(26^11161+25^11161)/51

To be completed...