-er -ol ddd dde ddi ddl ddo ddp ddr de- ded dee dei del deo dep der dev di- did die dii dil dio dip dir div dl- dld dle dli dll dlo dlp dlr dlv dod doe doi dol doo dop dor dov dpd dpe dpi dpl dpo dpp dpr dpv drd dre dri drl dro drp drr drv dvd dve dvi dvl dvp dvr ed- edd ede edi edl edo edp edr eed eee eel eeo eep eer eev eid eie eii eil eio eip eir eiv eld ele eli ell elo elp elr elv eo- eod eoe eoi eol eoo eop eor ep- epd epe epi epl epo epp epr erd ere eri erl ero erp err erv evd eve evi evl evo evp evr evv i-d i-v idd ide idi idl ido idp idr idv ie- ied iee iei iel iep ier iev iid iie iii iil iio iip iir il- ild ile ili ill ilo ilp ilr ilv io- iod ioe ioi iol ioo iop ior iov ipd ipe ipi ipl ipo ipp ipr ipv ir- ird ire iri irl iro irp irr irv ivd ive ivi ivl ivo ivp ivr ivv l-p ldd lde ldi ldl ldo ldp ldr ldv led lee lei lel leo lep ler lev lid lie lii lil lio lip lir liv lld lle lli lll llo llp llr llv lod loe loi lol loo lop lor lov lpd lpe lpi lpl lpo lpp lpr lpv lrd lri lro lrp lrr lrv lvd lve lvi lvl lvp lvr lvv o-i odd ode odi odl odo odp odr odv oed oee oei oel oeo oep oer oid oie oii oil oio oip oir oiv old ole oli oll olo olp oo- ood ooi ool ooo oop oor oov op- opd ope opi opl opo opp opr opv or- ord ore ori orl oro orp orr orv ov- ovd ove ovi ovl ovo ovp ovv p-p pdd pde pdi pdl pdo pdp pdr pdv ped pee pei pel peo pep per pev pid pie pii pil pio pip pir piv pld ple pli pll plo plp plr plv pod poe poi pol poo pop por pov ppd ppe ppi ppl ppo ppp ppr ppv prd pre pri prl pro prp prr prv pvd pve pvi pvl pvo pvp pvr pvv rdd rde rdi rdl rdo rdp rdr rdv re- red ree rei rel reo rep rer rev rid rie rii ril rio rip rir riv rld rle rli rll rlo rlp rlr rod roe roi rol roo rop ror rov rpd rpe rpi rpl rpo rpp rpr rpv rrd rri rrl rrp rrr rvd rve rvi rvl rvo rvp rvr rvv v-e vdd vde vdi vdl vdo vdp vdr vdv ved vee vei vel veo vep ver vi- vid vie vii vil vio vip vir viv vl- vld vle vll vlo vlp vlv vod voe voi vol voo vop vor vov vpd vpe vpi vpl vpo vpp vpr vrd vre vri vrp vrr vvi vvo vvr vvv