-er -ol -th ddd dde ddf ddh ddl ddo ddp ddr ddt de- ded dee def deh del deo dep der det dfd dfe dff dfh dfl dfo dfp dfr dft dh- dhd dhe dhf dhh dhl dho dhp dhr dht dl- dld dle dlf dlh dll dlo dlp dlr dlt dod doe dof doh dol doo dop dor dot dpd dpe dpf dph dpl dpo dpp dpr dpt drd dre drl dro drp drr drt dtd dte dtf dth dtl dto dtp dtr dtt ed- edd ede edf edh edl edo edp edr edt eed eee eef eel eeo eep eer eet ef- efd efe eff efh efl efo efp efr eft ehd ehe ehf ehh ehl eho ehp ehr eht eld ele elf elh ell elo elp elr elt eo- eod eoe eof eoh eol eoo eop eor eot ep- epd epe epf eph epl epo epp epr ept erd ere erf erh erl ero erp err ert etd ete etf eth etl eto etp etr ett fdd fde fdf fdh fdl fdo fdp fdr fdt fed fee fef feh fel feo fep fer fet ffd ffe fff ffh ffl ffo ffp ffr fft fhe fhf fhh fhl fho fhp fhr fld fle flf fll flo flp flr flt foe fof foh fol foo fop for fot fpd fpe fph fpl fpo fpp fpr fpt frd fre frf frh frl fro frp frr frt ftd fte ftf fth ftl fto ftp ftr ftt hdd hde hdf hdh hdl hdo hdp hdr hdt he- hed hee hef heh hel heo hep her het hfd hfe hff hfh hfl hfo hfp hfr hft hhd hhe hhf hhh hhl hho hhp hhr hht hld hle hlf hlh hll hlo hlp hlr hlt hod hoe hof hoh hol hoo hop hor hot hpd hpe hpf hph hpl hpo hpp hpr hpt hr- hrd hre hrf hrh hrl hro hrp hrr hrt htd hte htf hth htl hto htp htr htt l-p ldd lde ldf ldh ldl ldo ldp ldr ldt led lee lef leh lel leo lep ler let lfd lfe lff lfh lfl lfo lfp lfr lft lhd lhf lhh lho lhp lhr lht lld lle llf lll llo llp llr llt lod loe lof loh lol loo lop lor lot lpd lpe lpf lph lpl lpo lpp lpr lpt lrd lrf lrh lro lrp lrr lrt ltd lte ltf lth ltl lto ltp ltr ltt odd ode odf odh odl odo odp odr odt oed oee oef oeh oel oeo oep oer oet of- ofd ofe off ofl ofo ofp ofr oft ohd ohe ohf ohh ohl oho ohp ohr oht old ole olf oll olo olp olt oo- ood oof ooh ool ooo oop oor oot op- opd ope opf oph opl opo opp opr opt or- ord ore orf orh orl oro orp orr ort ot- otd ote otf oth otl oto otp otr ott p-p pdd pde pdf pdh pdl pdo pdp pdr pdt ped pee pef peh pel peo pep per pet pfd pfe pff pfl pfo pfp pfr pft phd phe phf phl pho php phr pht pld ple plf plh pll plo plp plr plt pod poe pof poh pol poo pop por pot ppd ppe ppf pph ppl ppo ppp ppr ppt prd pre prf prh prl pro prp prr prt pt- ptd pte ptf pth ptl pto ptp ptr ptt rdd rde rdf rdh rdl rdo rdp rdr rdt re- red ree ref reh rel reo rep rer ret rfd rfe rff rfh rfl rfo rfp rfr rft rh- rhd rhe rhf rhh rhl rho rhp rhr rht rld rle rlf rlh rll rlo rlp rlr rlt rod roe rof roh rol roo rop ror rot rpd rpe rpf rph rpl rpo rpp rpr rpt rrd rrf rrh rrl rrp rrr rrt rtd rte rtf rtl rto rtp rtr rtt tdd tde tdf tdh tdl tdo tdp tdr tdt te- ted tee tef teh tel teo tep ter tet tfd tfe tff tfh tfl tfo tfp tfr tft th- thd the thf thh thl tho thp thr tht tld tle tlf tlh tll tlo tlp tlr tlt to- tod toe tof toh tol too top tor tot tpd tpe tpf tph tpl tpo tpp tpr tpt trd tre trf trh trl tro trp trr trt ttd tte ttf tth ttl tto ttp ttr ttt

dddd ddot ddpo ddre dedd dede dedo deed deef deel deep deer deet defe deff defo deft deld dele delf dell delo delp delt deol deop deor depe depo depp depr dept der- dere derf dero derp derr dete deth deto detr dfdt dfer dfoe dfrf dftr dhed dhee dher dhod dhol dhor dhpr dod- dodd dode dodo doel doer doff dohl dohr dold dole dolf doll dolo dolp dolt dood doof dool doop door doot dope dopo dopp dopr dopt dord dore dorf doro dorp dorr dort dotd dote doth doto dott dpdt dper dphp dpll dpph dred dree dref dreh drel dret drod drof droh drol drop drot dtdp dted dthd dtle dtor dtot dtpl dtrl dttp edde eddo eddp ede- edeh edel eder edfl edle edod eede eeee eefe eefl eele eero eete eeth efeo efet efor eft- eftp ehdd eheh ehel eher ehle ehlo ehpt ehre ehte el-p elde eldr eled elee elef eleh eleo eler elet elfe elft elle ello elod elpe elph elro elte elto eode eole eolo eore eorl eotd eoto epee eper eph- eple epll epod epol epor epot eppo eppp epro eprp epte erde erdf ered erel erer eret erft erld erle erll erod eroe erol eroo erpe erre erro erth ertl etee etel eter etfe eth- ethe etho etoe etoh etre etro ette etto fdlr fdot fdtl fede feed feel feer feet fefe feff fefo fehd fehl fehr feld fele felf fell felo felt feod feof feoh ferd fere fero ferr fert fete feth fetp fetr fett ffee ffff ffrr fftf fldr fled flee fler flet flod floe