-er ddd dde ddf ddk ddl ddr ddt ddz de- ded dee def dek del der det dez dfd dfe dff dfk dfl dfr dft dfz dke dkk dkl dkr dkt dl- dld dle dlf dlk dll dlr dlt drd dre drk drl drr drt drz dtd dte dtf dtk dtl dtr dtt dtz dzd dze dzr ed- edd ede edf edk edl edr edt eed eee eef eek eel eer eet ef- efd efe eff efl efr eft ekd eke ekf ekl ekr ekt eld ele elf elk ell elr elt elz erd ere erf erk erl err ert erz etd ete etf etk etl etr ett etz eze ezf ezr ezz fdd fde fdf fdk fdl fdr fdt fed fee fef fek fel fer fet fez ffd ffe fff ffk ffl ffr fft ffz fkf fkk fkl fkt fld fle flf fll flr flt frd fre frf frk frl frr frt ftd fte ftf ftk ftl ftr ftt ftz fzd k-t k-z kde kdf kdk kdl kdr kdt ke- ked kee kef kek kel ker ket kez kfd kff kke kkk kkl kkr kkt kl- kld klf klr klt klz krd krf krk krl krr krt kte ktf ktk ktl ktr ktt ldd lde ldf ldk ldl ldr ldt led lee lef lek lel ler let lez lfd lfe lff lfk lfl lfr lft lkl lkr lkt lld lle llf llk lll llr llt llz lrd lrf lrk lrr lrt lrz ltd lte ltf ltk ltl ltr ltt ltz lzr rdd rde rdf rdl rdr rdt re- red ree ref rek rel rer ret rez rfd rfe rff rfk rfl rfr rft rfz rke rkf rkk rkt rkz rld rle rlf rll rlr rlt rrd rrf rrk rrl rrr rrt rtd rte rtf rtk rtl rtr rtt rtz rze tdd tde tdf tdk tdl tdr tdt te- ted tee tef tek tel ter tet tez tfd tfe tff tfk tfl tfr tft tke tkk tkl tkr tkt tkz tld tle tlf tlk tll tlr tlt tlz trd tre trf trk trl trr trt trz ttd tte ttf ttk ttl ttr ttt tzd tze tzf zdf zdt zed zee zef zek zel zer zet zez zfd zfr zlr zlt zrl zte ztl ztr zzr zzt zzz