-er a-a a-c aaa aac aad aae aaf aah aan aar ac- aca acc acd ace acf ach acn acr ad- ada adc add ade adf adh adn adr aea aec aed aee aef aeh aen aer af- afa afc afd afe aff afh afn afr aha ahc ahd ahe ahf ahh ahn ahr an- ana anc and ane anf anh ann anr ar- ara arc ard are arf arh arn arr c-- caa cac cad cae caf cah can car cca ccc ccd cce ccf cch ccn ccr cda cdc cdd cde cdf cdh cdn cdr ce- cea cec ced cee cef ceh cen cer cfa cfc cfd cfe cff cfh cfn cfr ch- cha chc chd che chf chh chn chr cn- cna cnc cnd cne cnf cnh cnn cnr cra crc crd cre crf crh crn crr daa dac dad dae daf dah dan dar dca dcc dcd dce dcf dcn dcr dda ddc ddd dde ddf ddh ddn ddr de- dea dec ded dee def deh den der dfa dfc dfd dfe dff dfh dfn dfr dh- dha dhc dhd dhe dhf dhh dhr dna dnc dnd dne dnf dnh dnn dnr dra drc drd dre drn drr eaa eac ead eae eaf eah ean ear ec- eca ecc ecd ece ecf ech ecn ecr ed- eda edc edd ede edf edh edn edr eea eec eed eee eef een eer ef- efa efc efd efe eff efh efr eha ehc ehd ehe ehf ehh ehn ehr en- ena enc end ene enf enh enn enr era erc erd ere erf erh ern err faa fac fad fae faf fah fan far fca fcc fcd fce fcf fcn fcr fda fdc fdd fde fdf fdh fdn fdr fea fec fed fee fef feh fen fer ffa ffc ffd ffe fff ffh ffn ffr fha fhc fhe fhf fhh fhn fhr fna fnc fnd fne fnf fnh fnn fnr fra frc frd fre frf frh frn frr haa hac had hae haf hah han har hca hcc hcd hce hcf hch hcn hcr hda hdc hdd hde hdf hdh hdn hdr he- hea hec hed hee hef heh hen her hfa hfc hfd hfe hff hfh hfn hfr hha hhc hhd hhe hhf hhh hhn hhr hna hnc hnd hne hnf hnh hnn hr- hra hrc hrd hre hrf hrh hrn hrr naa nac nad nae naf nah nan nar nca ncc ncd nce ncf nch ncn ncr nda ndc ndd nde ndf ndh ndn ndr ne- nea nec ned nee nef neh nen ner nfa nfc nfd nfe nff nfn nfr nha nhc nhd nhe nhf nhh nhn nhr nna nnc nne nnf nnh nnn nra nrc nrd nre nrf nrn nrr ra- raa rac rad rae raf rah ran rar rca rcc rcd rce rcf rch rcn rcr rda rdc rdd rde rdf rdh rdn rdr re- rea rec red ree ref reh ren rer rfa rfc rfd rfe rff rfh rfn rfr rh- rha rhc rhd rhe rhf rhh rhn rhr rna rnc rnd rnh rnn rnr rra rrc rrd rrf rrh rrn rrr