diffusion of technology diffusion of water diffusion process diffusion processes diffusion rate diffusion system diffusion tensor imaging diffusion test diffusion welding diffusional diffusions diffusive diffusivity diffusor dificult diflucan difluoride difluoromethane difluoromethoxy difunctional dig dig a bit deeper dig a ditch dig a hole dig a little bit dig a little deeper dig a pit dig a trench dig a tunnel dig a well dig and dig dig deep dig deep enough dig deeper dig ditches dig down deep dig dug dig for gold dig for it dig further dig graves dig her up dig here dig him up dig his own grave dig holes dig in there dig into it dig it dig it out dig it out of dig it up dig me dig me out dig me up dig more dig my own dig one dig our way dig ourselves out dig right dig site dig sites dig so dig something up dig that up dig the grave dig the ground dig the hole dig the new dig their own dig them out dig them up dig themselves dig this up dig too deep dig trenches dig tunnels dig two graves dig up dirt dig up something dig up what dig us out dig where dig you dig you out dig you up dig your grave dig your own grave dig your way dig yourself out digambar digambara digbeth digby digeorge syndrome digest digest and absorb digest authentication