-er -ol ddd dde ddl ddo ddp ddr ddt de- ded dee del deo dep der det dev dl- dld dle dll dlo dlp dlr dlt dlv dod doe dol doo dop dor dot dov dpd dpe dpl dpo dpp dpr dpt dpv drd dre drl dro drp drr drt drv dtd dte dtl dto dtp dtr dtt dtv dvd dve dvl dvp dvr dvt ed- edd ede edl edo edp edr edt eed eee eel eeo eep eer eet eev eld ele ell elo elp elr elt elv eo- eod eoe eol eoo eop eor eot ep- epd epe epl epo epp epr ept erd ere erl ero erp err ert erv etd ete etl eto etp etr ett etv evd eve evl evo evp evr evt evv l-p ldd lde ldl ldo ldp ldr ldt ldv led lee lel leo lep ler let lev lld lle lll llo llp llr llt llv lod loe lol loo lop lor lot lov lpd lpe lpl lpo lpp lpr lpt lpv lrd lro lrp lrr lrt lrv ltd lte ltl lto ltp ltr ltt ltv lvd lve lvl lvp lvr lvt lvv odd ode odl odo odp odr odt odv oed oee oel oeo oep oer oet old ole oll olo olp olt oo- ood ool ooo oop oor oot oov op- opd ope opl opo opp opr opt opv or- ord ore orl oro orp orr ort orv ot- otd ote otl oto otp otr ott otv ov- ovd ove ovl ovo ovp ovv p-p pdd pde pdl pdo pdp pdr pdt pdv ped pee pel peo pep per pet pev pld ple pll plo plp plr plt plv pod poe pol poo pop por pot pov ppd ppe ppl ppo ppp ppr ppt ppv prd pre prl pro prp prr prt prv pt- ptd pte ptl pto ptp ptr ptt ptv pvd pve pvl pvo pvp pvr pvt pvv rdd rde rdl rdo rdp rdr rdt rdv re- red ree rel reo rep rer ret rev rld rle rll rlo rlp rlr rlt rod roe rol roo rop ror rot rov rpd rpe rpl rpo rpp rpr rpt rpv rrd rrl rrp rrr rrt rtd rte rtl rto rtp rtr rtt rtv rvd rve rvl rvo rvp rvr rvt rvv tdd tde tdl tdo tdp tdr tdt tdv te- ted tee tel teo tep ter tet tev tld tle tll tlo tlp tlr tlt tlv to- tod toe tol too top tor tot tov tpd tpe tpl tpo tpp tpr tpt tpv trd tre trl tro trp trr trt trv ttd tte ttl tto ttp ttr ttt ttv tvd tve tvl tvo tvp tvr tvt v-e vdd vde vdl vdo vdp vdr vdt vdv ved vee vel veo vep ver vet vl- vld vle vll vlo vlp vlt vlv vod voe vol voo vop vor vot vov vpd vpe vpl vpo vpp vpr vpt vrd vre vrp vrr vrt vte vtl vto vtr vtt vtv vvo vvr vvt vvv