-er -ol ddd dde ddl ddo ddp ddr ddt de- ded dee del deo dep der det dl- dld dle dll dlo dlp dlr dlt dod doe dol doo dop dor dot dpd dpe dpl dpo dpp dpr dpt drd dre drl dro drp drr drt dtd dte dtl dto dtp dtr dtt ed- edd ede edl edo edp edr edt eed eee eel eeo eep eer eet eld ele ell elo elp elr elt eo- eod eoe eol eoo eop eor eot ep- epd epe epl epo epp epr ept erd ere erl ero erp err ert etd ete etl eto etp etr ett l-p ldd lde ldl ldo ldp ldr ldt led lee lel leo lep ler let lld lle lll llo llp llr llt lod loe lol loo lop lor lot lpd lpe lpl lpo lpp lpr lpt lrd lro lrp lrr lrt ltd lte ltl lto ltp ltr ltt odd ode odl odo odp odr odt oed oee oel oeo oep oer oet old ole oll olo olp olt oo- ood ool ooo oop oor oot op- opd ope opl opo opp opr opt or- ord ore orl oro orp orr ort ot- otd ote otl oto otp otr ott p-p pdd pde pdl pdo pdp pdr pdt ped pee pel peo pep per pet pld ple pll plo plp plr plt pod poe pol poo pop por pot ppd ppe ppl ppo ppp ppr ppt prd pre prl pro prp prr prt pt- ptd pte ptl pto ptp ptr ptt rdd rde rdl rdo rdp rdr rdt re- red ree rel reo rep rer ret rld rle rll rlo rlp rlr rlt rod roe rol roo rop ror rot rpd rpe rpl rpo rpp rpr rpt rrd rrl rrp rrr rrt rtd rte rtl rto rtp rtr rtt tdd tde tdl tdo tdp tdr tdt te- ted tee tel teo tep ter tet tld tle tll tlo tlp tlr tlt to- tod toe tol too top tor tot tpd tpe tpl tpo tpp tpr tpt trd tre trl tro trp trr trt ttd tte ttl tto ttp ttr ttt