-er -th ddd dde ddh ddm ddr ddt de- ded dee deh dem der det dh- dhd dhe dhh dhm dhr dht dmd dme dmh dmm dmr dmt drd dre drm drr drt dtd dte dth dtm dtr dtt ed- edd ede edh edm edr edt eed eee eem eer eet ehd ehe ehh ehm ehr eht em- emd eme emh emm emr emt erd ere erh erm err ert etd ete eth etm etr ett hdd hde hdh hdm hdr hdt he- hed hee heh hem her het hhd hhe hhh hhm hhr hht hmd hme hmh hmm hmr hmt hr- hrd hre hrh hrm hrr hrt htd hte hth htm htr htt m-r mdd mde mdh mdm mdr mdt med mee meh mem mer met mhd mhh mhm mhr mht mmd mme mmh mmm mmr mmt mrd mre mrh mrm mrr mrt mtd mte mth mtm mtr mtt rdd rde rdh rdm rdr rdt re- red ree reh rem rer ret rh- rhd rhe rhh rhm rhr rht rmd rme rmh rmm rmr rmt rrd rrh rrm rrr rrt rtd rte rtm rtr rtt tdd tde tdh tdm tdr tdt te- ted tee teh tem ter tet th- thd the thh thm thr tht tmd tme tmh tmm tmr tmt trd tre trh trm trr trt ttd tte tth ttm ttr ttt