-er ddd dde ddg ddi ddn ddo ddp ddr de- ded dee deg dei den deo dep der dgd dge dgg dgi dgn dgp dgr di- did die dig dii din dio dip dir dnd dne dng dni dnn dno dnp dnr dod doe dog doi don doo dop dor dpd dpe dpg dpi dpn dpo dpp dpr drd dre drg dri drn dro drp drr ed- edd ede edg edi edn edo edp edr eed eee eeg een eeo eep eer egd ege egg egi egn ego egp egr eid eie eig eii ein eio eip eir en- end ene eng eni enn eno enp enr eo- eod eoe eog eoi eon eoo eop eor ep- epd epe epg epi epn epo epp epr erd ere erg eri ern ero erp err g-d g-p gdd gde gdi gdn gdo gdp gdr ge- ged gee geg gei gen geo gep ger ggd ggg ggi ggn ggo ggp ggr gid gie gig gii gin gio gip gir gnd gne gni gnn gno gnp gnr god goe gog goi gon goo gop gor gpd gpe gpg gpi gpn gpo gpp gpr grd gre grg gri grn gro grp grr i-d idd ide idg idi idn ido idp idr ie- ied iee ieg iei ien iep ier igd ige igg igi ign igo igp igr iid iie iii iin iio iip iir in- ind ine ing ini inn ino inp inr io- iod ioe iog ioi ion ioo iop ior ipd ipe ipg ipi ipn ipo ipp ipr ir- ird ire irg iri irn iro irp irr n-i ndd nde ndg ndi ndn ndo ndp ndr ne- ned nee neg nei nen neo nep ner ngd nge ngg ngi ngn ngo ngp nid nie nig nii nin nio nip nir nne nng nni nnn nno nnp no- nod noe nog noi non noo nop nor npd npe npg npi npn npo npp npr nrd nre nrg nri nrn nro nrp nrr o-i odd ode odg odi odn odo odp odr oed oee oeg oei oen oeo oep oer ogd oge ogg ogi ogn ogo ogp oid oie oii oin oio oip oir on- ond one ong oni onn ono onp onr oo- ood oog ooi oon ooo oop oor op- opd ope opg opi opn opo opp opr or- ord ore org ori orn oro orp orr p-p pdd pde pdg pdi pdn pdo pdp pdr ped pee peg pei pen peo pep per pgd pge pgg pgi pgn pgo pgp pgr pid pie pig pii pin pio pip pir pn- pnd pne png pni pnn pno pnp pnr pod poe pog poi pon poo pop por ppd ppe ppg ppi ppn ppo ppp ppr prd pre prg pri prn pro prp prr rdd rde rdg rdi rdn rdo rdp rdr re- red ree reg rei ren reo rep rer rgd rge rgg rgi rgn rgo rgp rgr rid rie rig rii rin rio rip rir rnd rng rni rnn rno rnp rnr rod roe rog roi ron roo rop ror rpd rpe rpg rpi rpn rpo rpp rpr rrd rrg rri rrn rrp rrr