-er a-a aaa aad aae aag aah aak aar ad- ada add ade adg adh adk adr aea aed aee aeg aeh aek aer ag- aga agd age agg agh agk agr aha ahd ahe ahg ahh ahk ahr aka akd ake akg akh akk akr ar- ara ard are arg arh ark arr daa dad dae dag dah dak dar dda ddd dde ddg ddh ddk ddr de- dea ded dee deg deh dek der dga dgd dge dgg dgh dgk dgr dh- dha dhd dhe dhh dhk dhr dka dke dkg dkk dkr dra drd dre drg drk drr eaa ead eae eag eah eak ear ed- eda edd ede edg edh edk edr eea eed eee eeg eek eer ega egd ege egg egh egr eha ehd ehe ehg ehh ehr eka ekd eke ekg ekh ekr era erd ere erg erh erk err g-d gaa gad gae gag gah gak gar gda gdd gde gdh gdk gdr ge- gea ged gee geg geh gek ger gga ggd ggg ggh ggr gha ghd ghe ghg ghh ghr gka gkd gkh gra grd gre grg grh grk grr haa had hae hag hah hak har hda hdd hde hdg hdh hdk hdr he- hea hed hee heg heh hek her hga hge hgg hgh hgk hgr hha hhd hhe hhg hhh hhk hhr hka hkd hkg hkh hkk hkr hr- hra hrd hre hrg hrh hrk hrr ka- kaa kad kae kag kah kak kar kda kde kdg kdh kdk kdr ke- kea ked kee keg keh kek ker kga kgd kgh kha khe khh khk khr kke kkh kkk kkr kra krd krg krk krr ra- raa rad rae rag rah rak rar rda rdd rde rdg rdh rdr re- rea red ree reg reh rek rer rga rgd rge rgg rgh rgk rgr rh- rha rhd rhe rhg rhh rhr rke rkg rkk rra rrd rrg rrh rrk rrr