ddd dde ddg ddi ddp de- ded dee deg dei dep dgd dge dgg dgi dgp di- did die dig dii dip dpd dpe dpg dpi dpp ed- edd ede edg edi edp eed eee eeg eep egd ege egg egi egp eid eie eig eii eip ep- epd epe epg epi epp g-d g-p gdd gde gdi gdp ge- ged gee geg gei gep ggd ggg ggi ggp gid gie gig gii gip gpd gpe gpg gpi gpp i-d idd ide idg idi idp ie- ied iee ieg iei iep igd ige igg igi igp iid iie iii iip ipd ipe ipg ipi ipp p-p pdd pde pdg pdi pdp ped pee peg pei pep pgd pge pgg pgi pgp pid pie pig pii pip ppd ppe ppg ppi ppp