-er ddd dde ddg ddi ddn ddo ddr de- ded dee deg dei den deo der dgd dge dgg dgi dgn dgr di- did die dig dii din dio dir dnd dne dng dni dnn dno dnr dod doe dog doi don doo dor drd dre drg dri drn dro drr ed- edd ede edg edi edn edo edr eed eee eeg een eeo eer egd ege egg egi egn ego egr eid eie eig eii ein eio eir en- end ene eng eni enn eno enr eo- eod eoe eog eoi eon eoo eor erd ere erg eri ern ero err g-d gdd gde gdi gdn gdo gdr ge- ged gee geg gei gen geo ger ggd ggg ggi ggn ggo ggr gid gie gig gii gin gio gir gnd gne gni gnn gno gnr god goe gog goi gon goo gor grd gre grg gri grn gro grr i-d idd ide idg idi idn ido idr ie- ied iee ieg iei ien ier igd ige igg igi ign igo igr iid iie iii iin iio iir in- ind ine ing ini inn ino inr io- iod ioe iog ioi ion ioo ior ir- ird ire irg iri irn iro irr n-i ndd nde ndg ndi ndn ndo ndr ne- ned nee neg nei nen neo ner ngd nge ngg ngi ngn ngo nid nie nig nii nin nio nir nne nng nni nnn nno no- nod noe nog noi non noo nor nrd nre nrg nri nrn nro nrr o-i odd ode odg odi odn odo odr oed oee oeg oei oen oeo oer ogd oge ogg ogi ogn ogo oid oie oii oin oio oir on- ond one ong oni onn ono onr oo- ood oog ooi oon ooo oor or- ord ore org ori orn oro orr rdd rde rdg rdi rdn rdo rdr re- red ree reg rei ren reo rer rgd rge rgg rgi rgn rgo rgr rid rie rig rii rin rio rir rnd rng rni rnn rno rnr rod roe rog roi ron roo ror rrd rrg rri rrn rrr