-up ddd dde ddg ddp ddu de- ded dee deg dep deu dgd dge dgg dgp dgu dpd dpe dpg dpp dpu dud due dug dup ed- edd ede edg edp edu eed eee eeg eep egd ege egg egp egu ep- epd epe epg epp epu eu- eud eue eug eup g-d g-p gdd gde gdp gdu ge- ged gee geg gep geu ggd ggg ggp ggu gpd gpe gpg gpp gpu gu- gud gue gug gup guu p-p pdd pde pdg pdp pdu ped pee peg pep peu pgd pge pgg pgp ppd ppe ppg ppp ppu pud pue pug pup puu udd ude udg udp udu ued uee ueg uep uge ugg ugp ugu up- upd upe upg upp upu uue uug uuu