C3O1N1
5 points
CON is validvalid
to study carefully [v CONNED, CONNING, CONS] : CONNER [n]
to study carefully [v COND or YCOND or CONNED, CONNING, CONS]
to study carefully [v CONNED, CONNING, CONS] : CONNER [n]
to study carefully [v COND or YCOND or CONNED, CONNING, CONS]