-er a-a aaa aae aaf aah aak aar aea aee aef aeh aek aer af- afa afe aff afh afk afr aha ahe ahf ahh ahk ahr aka ake akh akk akr ar- ara are arf arh ark arr eaa eae eaf eah eak ear eea eee eef eek eer ef- efa efe eff efh efr eha ehe ehf ehh ehr eka eke ekf ekh ekr era ere erf erh erk err faa fae faf fah fak far fea fee fef feh fek fer ffa ffe fff ffh ffk ffr fha fhe fhf fhh fhr fka fkf fkk fra fre frf frh frk frr haa hae haf hah hak har he- hea hee hef heh hek her hfa hfe hff hfh hfk hfr hha hhe hhf hhh hhk hhr hka hkf hkh hkk hkr hr- hra hre hrf hrh hrk hrr ka- kaa kae kaf kah kak kar ke- kea kee kef keh kek ker kfa kff kfh kha khe khf khh khk khr kke kkh kkk kkr kra krf krk krr ra- raa rae raf rah rak rar re- rea ree ref reh rek rer rfa rfe rff rfh rfk rfr rh- rha rhe rhf rhh rhr rke rkf rkk rra rrf rrh rrk rrr