ddd ddi ddm ddt di- did dii dim dit div dmd dmi dmm dmt dmv dtd dti dtm dtt dtv dvd dvi dvm dvt i-d i-v idd idi idm idt idv iid iii iim iit im- imd imi imm imt imv itd iti itm itt itv ivd ivi ivt ivv m-v mdd mdi mdm mdt mdv mi- mid mii mim mit miv mmd mmi mmm mmt mmv mtd mti mtm mtt mtv mvd mvi mvm mvt mvv tdd tdi tdm tdt tdv tid tii tim tit tiv tmd tmi tmm tmt tmv ttd tti ttm ttt ttv tvd tvi tvm tvt vdd vdi vdm vdt vdv vi- vid vii vim vit viv vm- vmd vmi vmm vmt vti vtm vtt vtv vvi vvm vvt vvv