rule 34 4 fingers animal genitalia animal pussy anthro anus areola ass balls biped breasts canid canine canine genitalia canine pussy claws comic countershade torso countershading dipstick tail duo english text fingers freckles artist genitals hair herm intersex intersexmale male mammal markings monochrome nipples open mouth open smile pawpads pussy size difference smile tail tail markings text tongue tongue out unbirthing vaginal penetration vore 8942023