-er a-a aaa aad aae aak aam aar aas ad- ada add ade adk adm adr ads aea aed aee aek aem aer aes aka akd ake akk akm akr aks ama amd ame amk amm amr ams ar- ara ard are ark arm arr ars as- asa asd ase ask asm asr ass daa dad dae dak dam dar das dda ddd dde ddk ddm ddr dds de- dea ded dee dek dem der des dka dke dkk dkm dkr dks dma dmd dme dmk dmm dmr dms dra drd dre drk drm drr drs dsa dsd dse dsk dsm dsr dss eaa ead eae eak eam ear eas ed- eda edd ede edk edm edr eds eea eed eee eek eem eer ees eka ekd eke ekr eks em- ema emd eme emk emm emr ems era erd ere erk erm err ers es- esa esd ese esk esm esr ess ka- kaa kad kae kak kam kar kas kda kde kdk kdm kdr kds ke- kea ked kee kek kem ker kes kke kkk kkm kkr kks kma kmd kme kmk kmm kms kra krd krk krr krs ksa ksd kse ksk ksm ksr kss m-r maa mad mae mak mam mar mas mda mdd mde mdk mdm mdr mds mea med mee mek mem mer mes mka mkd mke mkk mkm mkr mks mma mmd mme mmk mmm mmr mms mra mrd mre mrk mrm mrr mrs msa msd mse msk msm msr mss ra- raa rad rae rak ram rar ras rda rdd rde rdm rdr rds re- rea red ree rek rem rer res rke rkk rkm rks rma rmd rme rmm rmr rms rra rrd rrk rrm rrr rrs rsa rsd rse rsk rsm rsr rss saa sad sae sak sam sar sas sda sdd sde sdk sdm sdr sds se- sea sed see sek sem ser ses sk- ska skd ske skk skm skr sks sma smd sme smk smm smr sms sr- sra srd sre srk srm srr srs ss- ssa ssd sse ssk ssm ssr sss