-er -ol -th ddd dde ddh ddl ddo ddr ddt de- ded dee deh del deo der det dh- dhd dhe dhh dhl dho dhr dht dl- dld dle dlh dll dlo dlr dlt dod doe doh dol doo dor dot drd dre drl dro drr drt dtd dte dth dtl dto dtr dtt ed- edd ede edh edl edo edr edt eed eee eel eeo eer eet ehd ehe ehh ehl eho ehr eht eld ele elh ell elo elr elt eo- eod eoe eoh eol eoo eor eot erd ere erh erl ero err ert etd ete eth etl eto etr ett hdd hde hdh hdl hdo hdr hdt he- hed hee heh hel heo her het hhd hhe hhh hhl hho hhr hht hld hle hlh hll hlo hlr hlt hod hoe hoh hol hoo hor hot hr- hrd hre hrh hrl hro hrr hrt htd hte hth htl hto htr htt ldd lde ldh ldl ldo ldr ldt led lee leh lel leo ler let lhd lhh lho lhr lht lld lle lll llo llr llt lod loe loh lol loo lor lot lrd lrh lro lrr lrt ltd lte lth ltl lto ltr ltt odd ode odh odl odo odr odt oed oee oeh oel oeo oer oet ohd ohe ohh ohl oho ohr oht old ole oll olo olt oo- ood ooh ool ooo oor oot or- ord ore orh orl oro orr ort ot- otd ote oth otl oto otr ott rdd rde rdh rdl rdo rdr rdt re- red ree reh rel reo rer ret rh- rhd rhe rhh rhl rho rhr rht rld rle rlh rll rlo rlr rlt rod roe roh rol roo ror rot rrd rrh rrl rrr rrt rtd rte rtl rto rtr rtt tdd tde tdh tdl tdo tdr tdt te- ted tee teh tel teo ter tet th- thd the thh thl tho thr tht tld tle tlh tll tlo tlr tlt to- tod toe toh tol too tor tot trd tre trh trl tro trr trt ttd tte tth ttl tto ttr ttt