You can always do it yourself and resort to regex.
What you typed by hand:
1K > 6P > 2K
Find:
(1)|(2)|(6)|(P)|(K)
Replace:
(?1\:1\:)(?2\:2\:)(?3\:6\:)(?4\:P\:)(?5\:K\:)
What the result will be:
:1::K: > :6::P: > :2::K:
Which looks like:
:1::K: > :6::P: > :2::K: