-er a-a a-c aaa aac aad aae aaj aan aar ac- aca acc acd ace acj acn acr ad- ada adc add ade adj adn adr aea aec aed aee aej aen aer aja ajc ajd aje ajj ajn ajr an- ana anc and ane anj ann anr ar- ara arc ard are arj arn arr c-- c-j caa cac cad cae caj can car cca ccc ccd cce ccj ccn ccr cda cdc cdd cde cdj cdn cdr ce- cea cec ced cee cej cen cer cja cjc cjd cjr cn- cna cnc cnd cne cnj cnn cnr cra crc crd cre crj crn crr daa dac dad dae daj dan dar dca dcc dcd dce dcn dcr dda ddc ddd dde ddn ddr de- dea dec ded dee dej den der dj- dja djc djd dje dna dnc dnd dne dnj dnn dnr dra drc drd dre drj drn drr eaa eac ead eae eaj ean ear ec- eca ecc ecd ece ecj ecn ecr ed- eda edc edd ede edj edn edr eea eec eed eee een eer eja ejc ejd en- ena enc end ene enn enr era erc erd ere ern err j-d jaa jac jad jae jaj jan jar jca jcc jcd jce jcr jda jdc jde jdn jdr jea jec jed jee jej jen jer jja jjc jjj jjr jna jnc jnd jne jnj jnn jnr jra jrc jrn jrr naa nac nad nae naj nan nar nca ncc ncd nce ncn ncr nda ndc ndd nde ndn ndr ne- nea nec ned nee nej nen ner nja njc nje njn nna nnc nne nnn nra nrc nrd nre nrj nrn nrr ra- raa rac rad rae raj ran rar rca rcc rcd rce rcj rcn rcr rda rdc rdd rde rdj rdn rdr re- rea rec red ree ren rer rja rjc rjr rna rnc rnd rnn rnr rra rrc rrd rrn rrr