permit

v.允许 n.许可(证)，执照

perky, perm, permafrost, permanence, permanency, permanent, permanent wave, permanent way, permanently, permanganate, permeability, permeable, permeate, permeation, permissible, permissibly, permission, permissive, permissively, permissiveness, permutation, permute, pernicious, pernicious anaemia, perniciously, perniciousness, pernickety, peroration, peroxide, perpendicular, perpendicularity, perpendicularly, perpetrate, perpetration, perpetrator, perpetual, perpetual motion, perpetually, perpetuate, perpetuation,