-er ddd dde ddg ddi ddo ddp ddr de- ded dee deg dei deo dep der dev dgd dge dgg dgi dgp dgr di- did die dig dii dio dip dir div dod doe dog doi doo dop dor dov dpd dpe dpg dpi dpo dpp dpr dpv drd dre drg dri dro drp drr drv dvd dve dvg dvi dvp dvr ed- edd ede edg edi edo edp edr eed eee eeg eeo eep eer eev egd ege egg egi ego egp egr eid eie eig eii eio eip eir eiv eo- eod eoe eog eoi eoo eop eor ep- epd epe epg epi epo epp epr erd ere erg eri ero erp err erv evd eve evg evi evo evp evr evv g-d g-p gdd gde gdi gdo gdp gdr gdv ge- ged gee geg gei geo gep ger gev ggd ggg ggi ggo ggp ggr ggv gid gie gig gii gio gip gir giv god goe gog goi goo gop gor gov gpd gpe gpg gpi gpo gpp gpr grd gre grg gri gro grp grr grv gvd gve gvg gvi gvo gvp gvr i-d i-v idd ide idg idi ido idp idr idv ie- ied iee ieg iei iep ier iev igd ige igg igi igo igp igr iid iie iii iio iip iir io- iod ioe iog ioi ioo iop ior iov ipd ipe ipg ipi ipo ipp ipr ipv ir- ird ire irg iri iro irp irr irv ivd ive ivg ivi ivo ivp ivr ivv o-i odd ode odg odi odo odp odr odv oed oee oeg oei oeo oep oer ogd oge ogg ogi ogo ogp oid oie oii oio oip oir oiv oo- ood oog ooi ooo oop oor oov op- opd ope opg opi opo opp opr opv or- ord ore org ori oro orp orr orv ov- ovd ove ovi ovo ovp ovv p-p pdd pde pdg pdi pdo pdp pdr pdv ped pee peg pei peo pep per pev pgd pge pgg pgi pgo pgp pgr pgv pid pie pig pii pio pip pir piv pod poe pog poi poo pop por pov ppd ppe ppg ppi ppo ppp ppr ppv prd pre prg pri pro prp prr prv pvd pve pvg pvi pvo pvp pvr pvv rdd rde rdg rdi rdo rdp rdr rdv re- red ree reg rei reo rep rer rev rgd rge rgg rgi rgo rgp rgr rgv rid rie rig rii rio rip rir riv rod roe rog roi roo rop ror rov rpd rpe rpg rpi rpo rpp rpr rpv rrd rrg rri rrp rrr rvd rve rvg rvi rvo rvp rvr rvv v-e vdd vde vdg vdi vdo vdp vdr vdv ved vee veg vei veo vep ver vgg vgo vgp vgr vi- vid vie vig vii vio vip vir viv vod voe vog voi voo vop vor vov vpd vpe vpg vpi vpo vpp vpr vrd vre vrg vri vrp vrr vvg vvi vvo vvr vvv