-er a-a aaa aad aae aaf aag aan aar ad- ada add ade adf adg adn adr aea aed aee aef aeg aen aer af- afa afd afe aff afg afn afr ag- aga agd age agf agg agn agr an- ana and ane anf ang ann anr ar- ara ard are arf arg arn arr daa dad dae daf dag dan dar dda ddd dde ddf ddg ddn ddr de- dea ded dee def deg den der dfa dfd dfe dff dfg dfn dfr dga dgd dge dgf dgg dgn dgr dna dnd dne dnf dng dnn dnr dra drd dre drg drn drr eaa ead eae eaf eag ean ear ed- eda edd ede edf edg edn edr eea eed eee eef eeg een eer ef- efa efd efe eff efg efr ega egd ege egf egg egn egr en- ena end ene enf eng enn enr era erd ere erf erg ern err faa fad fae faf fag fan far fda fdd fde fdf fdg fdn fdr fea fed fee fef feg fen fer ffa ffd ffe fff ffg ffn ffr fga fgd fge fgf fgg fgn fgr fna fnd fne fnf fng fnn fnr fra frd fre frf frg frn frr g-d gaa gad gae gaf gag gan gar gda gdd gde gdf gdn gdr ge- gea ged gee gef geg gen ger gfa gfd gfe gff gfr gga ggd ggg ggn ggr gna gnd gne gnf gnn gnr gra grd gre grf grg grn grr naa nad nae naf nag nan nar nda ndd nde ndf ndg ndn ndr ne- nea ned nee nef neg nen ner nfa nfd nfe nff nfn nfr nga ngd nge ngf ngg ngn nna nne nnf nng nnn nra nrd nre nrf nrg nrn nrr ra- raa rad rae raf rag ran rar rda rdd rde rdf rdg rdn rdr re- rea red ree ref reg ren rer rfa rfd rfe rff rfg rfn rfr rga rgd rge rgf rgg rgn rgr rna rnd rng rnn rnr rra rrd rrf rrg rrn rrr