I have made up a few similar sentences below.
(1a) I get paid for doing the project.
(1b) I get pay for doing the project.
(2a) This is a high paying job.
(2b) This is a high-pay job.
(3a) This job is high paying.
(3b) This job is high-pay.
I heard people use the a sentences. Are the b examples grammatically correct? Thank you very much for your help.