1dif 2difp 3difp4 4dif 5difp

q4ifp r4ifp4 s4if t4ifp u4ifp4

fvjfp4 gvjf hvjfp ivjfp4 jvjf

4lkf 5lkfp 6lkfp4 7lkf 8lkfp

tclfp uclfp4 vclf wclfp xclfp4