-er ddd dde ddh ddl ddr ddu de- ded dee deh del der deu dh- dhd dhe dhh dhl dhr dhu dl- dld dle dlh dll dlr dlu drd dre drl drr dru dud due duh dul dur ed- edd ede edh edl edr edu eed eee eel eer ehd ehe ehh ehl ehr ehu eld ele elh ell elr elu erd ere erh erl err eru eu- eud eue eul eur hdd hde hdh hdl hdr hdu he- hed hee heh hel her heu hhd hhe hhh hhl hhr hhu hld hle hlh hll hlr hlu hr- hrd hre hrh hrl hrr hru hud hue huh hul hur huu ldd lde ldh ldl ldr ldu led lee leh lel ler leu lhd lhh lhr lhu lld lle lll llr llu lrd lrh lrr lru lud lue luh lul lur luu rdd rde rdh rdl rdr rdu re- red ree reh rel rer reu rh- rhd rhe rhh rhl rhr rhu rld rle rlh rll rlr rlu rrd rrh rrl rrr rru rud rue ruh rur ruu udd ude udl udr udu ued uee ueh uel uer uhd uhe uhh uhl uhr uhu uld ule ull ulr ulu ur- urd ure url urr uru uue uur uuu