-er a-a aaa aad aae aah aar ad- ada add ade adh adr aea aed aee aeh aer aha ahd ahe ahh ahr ar- ara ard are arh arr daa dad dae dah dar dda ddd dde ddh ddr de- dea ded dee deh der dh- dha dhd dhe dhh dhr dra drd dre drr eaa ead eae eah ear ed- eda edd ede edh edr eea eed eee eer eha ehd ehe ehh ehr era erd ere erh err haa had hae hah har hda hdd hde hdh hdr he- hea hed hee heh her hha hhd hhe hhh hhr hr- hra hrd hre hrh hrr ra- raa rad rae rah rar rda rdd rde rdh rdr re- rea red ree reh rer rh- rha rhd rhe rhh rhr rra rrd rrh rrr