-er a-a a-c aaa aac aad aae aah aan aar ac- aca acc acd ace ach acn acr ad- ada adc add ade adh adn adr aea aec aed aee aeh aen aer aha ahc ahd ahe ahh ahn ahr an- ana anc and ane anh ann anr ar- ara arc ard are arh arn arr c-- caa cac cad cae cah can car cca ccc ccd cce cch ccn ccr cda cdc cdd cde cdh cdn cdr ce- cea cec ced cee ceh cen cer ch- cha chc chd che chh chn chr cn- cna cnc cnd cne cnh cnn cnr cra crc crd cre crh crn crr daa dac dad dae dah dan dar dca dcc dcd dce dcn dcr dda ddc ddd dde ddh ddn ddr de- dea dec ded dee deh den der dh- dha dhc dhd dhe dhh dhr dna dnc dnd dne dnh dnn dnr dra drc drd dre drn drr eaa eac ead eae eah ean ear ec- eca ecc ecd ece ech ecn ecr ed- eda edc edd ede edh edn edr eea eec eed eee een eer eha ehc ehd ehe ehh ehn ehr en- ena enc end ene enh enn enr era erc erd ere erh ern err haa hac had hae hah han har hca hcc hcd hce hch hcn hcr hda hdc hdd hde hdh hdn hdr he- hea hec hed hee heh hen her hha hhc hhd hhe hhh hhn hhr hna hnc hnd hne hnh hnn hr- hra hrc hrd hre hrh hrn hrr naa nac nad nae nah nan nar nca ncc ncd nce nch ncn ncr nda ndc ndd nde ndh ndn ndr ne- nea nec ned nee neh nen ner nha nhc nhd nhe nhh nhn nhr nna nnc nne nnh nnn nra nrc nrd nre nrn nrr ra- raa rac rad rae rah ran rar rca rcc rcd rce rch rcn rcr rda rdc rdd rde rdh rdn rdr re- rea rec red ree reh ren rer rh- rha rhc rhd rhe rhh rhn rhr rna rnc rnd rnh rnn rnr rra rrc rrd rrh rrn rrr