-up ddd dde ddf ddg ddo ddp ddu de- ded dee def deg deo dep deu dfd dfe dff dfg dfo dfp dfu dgd dge dgf dgg dgp dgu dod doe dof dog doo dop dou dpd dpe dpf dpg dpo dpp dpu dud due duf dug duo dup ed- edd ede edf edg edo edp edu eed eee eef eeg eeo eep ef- efd efe eff efg efo efp egd ege egf egg ego egp egu eo- eod eoe eof eog eoo eop eou ep- epd epe epf epg epo epp epu eu- eud eue euf eug eup fdd fde fdf fdg fdo fdp fdu fed fee fef feg feo fep feu ffd ffe fff ffg ffo ffp ffu fgd fge fgf fgg fgp foe fof fog foo fop fou fpd fpe fpg fpo fpp fpu fud fue fuf fug fuo fup fuu g-d g-p gdd gde gdf gdo gdp gdu ge- ged gee gef geg geo gep geu gfd gfe gff gfo gfp ggd ggg ggo ggp ggu god goe gof gog goo gop gou gpd gpe gpf gpg gpo gpp gpu gu- gud gue guf gug guo gup guu odd ode odf odg odo odp odu oed oee oef oeg oeo oep of- ofd ofe off ofg ofo ofp ofu ogd oge ogf ogg ogo ogp oo- ood oof oog ooo oop op- opd ope opf opg opo opp ou- oud oue ouf ouo oup p-p pdd pde pdf pdg pdo pdp pdu ped pee pef peg peo pep peu pfd pfe pff pfg pfo pfp pfu pgd pge pgf pgg pgo pgp pod poe pof pog poo pop pou ppd ppe ppf ppg ppo ppp ppu pud pue puf pug pup puu udd ude udf udg udo udp udu ued uee uef ueg uep ufd ufe uff ufg ufo ufp ufu uge ugf ugg ugo ugp ugu uod uoe uog uoo uop up- upd upe upf upg upo upp upu uue uug uuu