-er ddd dde ddl ddr ddz de- ded dee del der dez dl- dld dle dll dlr drd dre drl drr drz dzd dze dzr ed- edd ede edl edr eed eee eel eer eld ele ell elr elz erd ere erl err erz eze ezr ezz ldd lde ldl ldr led lee lel ler lez lld lle lll llr llz lrd lrr lrz lzr rdd rde rdl rdr re- red ree rel rer rez rld rle rll rlr rrd rrl rrr rze zed zee zel zer zez zlr zrl zzr zzz