-er a-a aaa aae aaf aaj aar aea aee aef aej aer af- afa afe aff afj afr aja aje ajf ajj ajr ar- ara are arf arj arr eaa eae eaf eaj ear eea eee eef eer ef- efa efe eff efr eja ejf era ere erf err faa fae faf faj far fea fee fef fer ffa ffe fff ffr fja fra fre frf frj frr jaa jae jaf jaj jar jea jee jef jej jer jfa jfe jff jfj jfr jja jjf jjj jjr jra jrf jrr ra- raa rae raf raj rar re- rea ree ref rer rfa rfe rff rfj rfr rja rjf rjr rra rrf rrr