Train tickets going spare

The flu has scuppered my weekend plans. If anyone can make use of the following feel free to PM me. Technically 16-25 railcard req.

Sat Jan 20
10:18am Peterborough -> York (LNER)
11:50am York -> Manchester Victoria (Transpennine Express)

Sun Jan 21
13:20 Manchester Victoria -> Leeds (Northern)
15:05 Leeds -> Peterborough (LNER)

Mon Jan 22
17:38 Sheffield -> Retford (Northern)
18:41 Retford -> Stevenage (LNER)