ddd ddi ddm ddp di- did dii dim dip div dmd dmi dmm dmp dmv dpd dpi dpm dpp dpv dvd dvi dvm dvp i-d i-v idd idi idm idp idv iid iii iim iip im- imd imi imm imp imv ipd ipi ipm ipp ipv ivd ivi ivp ivv m-v mdd mdi mdm mdp mdv mi- mid mii mim mip miv mmd mmi mmm mmp mmv mpd mpi mpm mpp mpv mvd mvi mvm mvp mvv p-p pdd pdi pdm pdp pdv pid pii pim pip piv pmd pmi pmm pmp pmv ppd ppi ppm ppp ppv pvd pvi pvm pvp pvv vdd vdi vdm vdp vdv vi- vid vii vim vip viv vm- vmd vmi vmm vpd vpi vpm vpp vvi vvm vvv