-er a-a a-i aaa aad aae aaf aag aai aan aao aar ad- ada add ade adf adg adi adn ado adr aea aed aee aef aeg aei aen aeo aer af- afa afd afe aff afg afi afn afo afr ag- aga agd age agf agg agi agn ago agr ai- aia aid aie aif aig aii ain aio air an- ana and ane anf ang ani ann ano anr aoa aod aoe aof aog aoi aon aoo aor ar- ara ard are arf arg ari arn aro arr daa dad dae daf dag dai dan dao dar dda ddd dde ddf ddg ddi ddn ddo ddr de- dea ded dee def deg dei den deo der dfa dfd dfe dff dfg dfi dfn dfo dfr dga dgd dge dgf dgg dgi dgn dgr di- dia did die dif dig dii din dio dir dna dnd dne dnf dng dni dnn dno dnr doa dod doe dof dog doi don doo dor dra drd dre drg dri drn dro drr eaa ead eae eaf eag eai ean eao ear ed- eda edd ede edf edg edi edn edo edr eea eed eee eef eeg een eeo eer ef- efa efd efe eff efg efi efo efr ega egd ege egf egg egi egn ego egr eia eid eie eif eig eii ein eio eir en- ena end ene enf eng eni enn eno enr eo- eoa eod eoe eof eog eoi eon eoo eor era erd ere erf erg eri ern ero err faa fad fae faf fag fai fan fao far fda fdd fde fdf fdg fdi fdn fdo fdr fea fed fee fef feg fei fen feo fer ffa ffd ffe fff ffg ffi ffn ffo ffr fga fgd fge fgf fgg fgi fgn fgr fia fid fie fif fig fii fin fir fna fnd fne fnf fng fni fnn fnr foa foe fof fog foi fon foo for fra frd fre frf frg fri frn fro frr g-d gaa gad gae gaf gag gai gan gao gar gda gdd gde gdf gdi gdn gdo gdr ge- gea ged gee gef geg gei gen geo ger gfa gfd gfe gff gfi gfo gfr gga ggd ggg ggi ggn ggo ggr gia gid gie gif gig gii gin gio gir gna gnd gne gnf gni gnn gno gnr goa god goe gof gog goi gon goo gor gra grd gre grf grg gri grn gro grr i-d i-f ia- iaa iad iae iaf iag iai ian iao iar ida idd ide idf idg idi idn ido idr ie- iea ied iee ief ieg iei ien ier ifa ifd ife iff ifg ifi ifn ifo ifr iga igd ige igf igg igi ign igo igr iia iid iie iif iii iin iio iir in- ina ind ine inf ing ini inn ino inr io- ioa iod ioe iof iog ioi ion ioo ior ir- ira ird ire irf irg iri irn iro irr n-i naa nad nae naf nag nai nan nao nar nda ndd nde ndf ndg ndi ndn ndo ndr ne- nea ned nee nef neg nei nen neo ner nfa nfd nfe nff nfi nfn nfo nfr nga ngd nge ngf ngg ngi ngn ngo nia nid nie nif nig nii nin nio nir nna nne nnf nng nni nnn nno no- noa nod noe nof nog noi non noo nor nra nrd nre nrf nrg nri nrn nro nrr o-i oaa oad oae oaf oag oai oan oao oar oda odd ode odf odg odi odn odo odr oea oed oee oef oeg oei oen oeo oer of- ofa ofd ofe off ofg ofi ofn ofo ofr oga ogd oge ogf ogg ogi ogn ogo oia oid oie oif oii oin oio oir on- ona ond one onf ong oni onn ono onr oo- ooa ood oof oog ooi oon ooo oor or- ora ord ore orf org ori orn oro orr ra- raa rad rae raf rag rai ran rao rar rda rdd rde rdf rdg rdi rdn rdo rdr re- rea red ree ref reg rei ren reo rer rfa rfd rfe rff rfg rfi rfn rfo rfr rga rgd rge rgf rgg rgi rgn rgo rgr ria rid rie rif rig rii rin rio rir rna rnd rng rni rnn rno rnr roa rod roe rof rog roi ron roo ror rra rrd rrf rrg rri rrn rrr