-er a-a a-c a-q aaa aac aae aah aan aaq aar ac- aca acc ace ach acn acq acr aea aec aee aeh aen aeq aer aha ahc ahe ahh ahn ahq ahr an- ana anc ane anh ann anq anr aqa aqc aqn aqr ar- ara arc are arh arn arq arr c-- caa cac cae cah can caq car cca ccc cce cch ccn ccr ce- cea cec cee ceh cen ceq cer ch- cha chc che chh chn chq chr cn- cna cnc cne cnh cnn cnr cqa cqc cra crc cre crh crn crq crr eaa eac eae eah ean ear ec- eca ecc ece ech ecn ecq ecr eea eec eee een eer eha ehc ehe ehh ehn ehr en- ena enc ene enh enn enr eqa eqe eqn eqq era erc ere erh ern erq err haa hac hae hah han haq har hca hcc hce hch hcn hcr he- hea hec hee heh hen her hha hhc hhe hhh hhn hhr hna hnc hne hnh hnn hr- hra hrc hre hrh hrn hrr naa nac nae nah nan nar nca ncc nce nch ncn ncr ne- nea nec nee neh nen ner nha nhc nhe nhh nhn nhr nna nnc nne nnh nnn nqc nra nrc nre nrn nrr qaa qac qah qan qar qca qcc qec qee qeh qen qhc qne qnh qqq qra qrc qre qrh ra- raa rac rae rah ran raq rar rca rcc rce rch rcn rcr re- rea rec ree reh ren req rer rh- rha rhc rhe rhh rhn rhr rna rnc rnh rnn rnr rqc rqn rra rrc rrh rrn rrq rrr