-er -up ddd dde ddg ddi ddo ddp ddr ddu de- ded dee deg dei deo dep der deu dgd dge dgg dgi dgp dgr dgu di- did die dig dii dio dip dir diu dod doe dog doi doo dop dor dou dpd dpe dpg dpi dpo dpp dpr dpu drd dre drg dri dro drp drr dru dud due dug dui duo dup dur ed- edd ede edg edi edo edp edr edu eed eee eeg eeo eep eer egd ege egg egi ego egp egr egu eid eie eig eii eio eip eir eiu eo- eod eoe eog eoi eoo eop eor eou ep- epd epe epg epi epo epp epr epu erd ere erg eri ero erp err eru eu- eud eue eug eui eup eur g-d g-p gdd gde gdi gdo gdp gdr gdu ge- ged gee geg gei geo gep ger geu ggd ggg ggi ggo ggp ggr ggu gid gie gig gii gio gip gir giu god goe gog goi goo gop gor gou gpd gpe gpg gpi gpo gpp gpr gpu grd gre grg gri gro grp grr gru gu- gud gue gug gui guo gup gur guu i-d idd ide idg idi ido idp idr idu ie- ied iee ieg iei iep ier igd ige igg igi igo igp igr igu iid iie iii iio iip iir iiu io- iod ioe iog ioi ioo iop ior iou ipd ipe ipg ipi ipo ipp ipr ipu ir- ird ire irg iri iro irp irr iru iu- iud iue iug iui iup iur o-i odd ode odg odi odo odp odr odu oed oee oeg oei oeo oep oer ogd oge ogg ogi ogo ogp oid oie oii oio oip oir oiu oo- ood oog ooi ooo oop oor op- opd ope opg opi opo opp opr or- ord ore org ori oro orp orr oru ou- oud oue oui ouo oup our p-p pdd pde pdg pdi pdo pdp pdr pdu ped pee peg pei peo pep per peu pgd pge pgg pgi pgo pgp pgr pid pie pig pii pio pip pir piu pod poe pog poi poo pop por pou ppd ppe ppg ppi ppo ppp ppr ppu prd pre prg pri pro prp prr pru pud pue pug pui pup pur puu rdd rde rdg rdi rdo rdp rdr rdu re- red ree reg rei reo rep rer reu rgd rge rgg rgi rgo rgp rgr rid rie rig rii rio rip rir rod roe rog roi roo rop ror rou rpd rpe rpg rpi rpo rpp rpr rpu rrd rrg rri rrp rrr rru rud rue rug rui ruo rup rur ruu udd ude udg udi udo udp udr udu ued uee ueg uei uep uer uge ugg ugi ugo ugp ugr ugu uid uie uig uii uio uip uir uiu uod uoe uog uoo uop uor up- upd upe upg upi upo upp upr upu ur- urd ure urg uri uro urp urr uru uue uug uur uuu