pli cme lujvo

c₁ is the username/pseudonym/pen-name of c₂=p₁ for use with/by resource c₃=p₂ for purpose p₃.

In notes:

cmeveigau: g₁=v₃ registers c₂ with user-name c₁ on system/application c₃.
cmisau: s₁=c₁ is logged into system/application s₂=c₂.
japyvla: v₁=j₁ is a password [issued to]/[used by] j₂ (person), issued/confirmed by authority j₃ allowing j₄ (activity), in language v₃.