-er -ol ddd dde ddi ddl ddo ddp ddr de- ded dee dei del deo dep der di- did die dii dil dio dip dir dl- dld dle dli dll dlo dlp dlr dod doe doi dol doo dop dor dpd dpe dpi dpl dpo dpp dpr drd dre dri drl dro drp drr ed- edd ede edi edl edo edp edr eed eee eel eeo eep eer eid eie eii eil eio eip eir eld ele eli ell elo elp elr eo- eod eoe eoi eol eoo eop eor ep- epd epe epi epl epo epp epr erd ere eri erl ero erp err i-d idd ide idi idl ido idp idr ie- ied iee iei iel iep ier iid iie iii iil iio iip iir il- ild ile ili ill ilo ilp ilr io- iod ioe ioi iol ioo iop ior ipd ipe ipi ipl ipo ipp ipr ir- ird ire iri irl iro irp irr l-p ldd lde ldi ldl ldo ldp ldr led lee lei lel leo lep ler lid lie lii lil lio lip lir lld lle lli lll llo llp llr lod loe loi lol loo lop lor lpd lpe lpi lpl lpo lpp lpr lrd lri lro lrp lrr o-i odd ode odi odl odo odp odr oed oee oei oel oeo oep oer oid oie oii oil oio oip oir old ole oli oll olo olp oo- ood ooi ool ooo oop oor op- opd ope opi opl opo opp opr or- ord ore ori orl oro orp orr p-p pdd pde pdi pdl pdo pdp pdr ped pee pei pel peo pep per pid pie pii pil pio pip pir pld ple pli pll plo plp plr pod poe poi pol poo pop por ppd ppe ppi ppl ppo ppp ppr prd pre pri prl pro prp prr rdd rde rdi rdl rdo rdp rdr re- red ree rei rel reo rep rer rid rie rii ril rio rip rir rld rle rli rll rlo rlp rlr rod roe roi rol roo rop ror rpd rpe rpi rpl rpo rpp rpr rrd rri rrl rrp rrr