-er -ol ddd dde ddi ddl ddn ddo ddp ddr de- ded dee dei del den deo dep der dev di- did die dii dil din dio dip dir div dl- dld dle dli dll dlo dlp dlr dlv dnd dne dni dnl dnn dno dnp dnr dod doe doi dol don doo dop dor dov dpd dpe dpi dpl dpn dpo dpp dpr dpv drd dre dri drl drn dro drp drr drv dvd dve dvi dvl dvn dvp dvr ed- edd ede edi edl edn edo edp edr eed eee eel een eeo eep eer eev eid eie eii eil ein eio eip eir eiv eld ele eli ell eln elo elp elr elv en- end ene eni enl enn eno enp enr env eo- eod eoe eoi eol eon eoo eop eor ep- epd epe epi epl epn epo epp epr erd ere eri erl ern ero erp err erv evd eve evi evl evn evo evp evr evv i-d i-v idd ide idi idl idn ido idp idr idv ie- ied iee iei iel ien iep ier iev iid iie iii iil iin iio iip iir il- ild ile ili ill iln ilo ilp ilr ilv in- ind ine ini inl inn ino inp inr inv io- iod ioe ioi iol ion ioo iop ior iov ipd ipe ipi ipl ipn ipo ipp ipr ipv ir- ird ire iri irl irn iro irp irr irv ivd ive ivi ivl ivo ivp ivr ivv l-p ldd lde ldi ldl ldn ldo ldp ldr ldv led lee lei lel len leo lep ler lev lid lie lii lil lin lio lip lir liv lld lle lli lll lln llo llp llr llv lnd lne lni lnl lnn lno lnp lnr lod loe loi lol lon loo lop lor lov lpd lpe lpi lpl lpn lpo lpp lpr lpv lrd lri lrn lro lrp lrr lrv lvd lve lvi lvl lvn lvp lvr lvv n-i ndd nde ndi ndl ndn ndo ndp ndr ndv ne- ned nee nei nel nen neo nep ner nev nid nie nii nil nin nio nip nir niv nld nle nli nll nln nlo nlp nlr nlv nne nni nnl nnn nno nnp nnv no- nod noe noi nol non noo nop nor nov npd npe npi npl npn npo npp npr npv nrd nre nri nrl nrn nro nrp nrr nrv nvd nve nvi nvl nvn nvp nvv o-i odd ode odi odl odn odo odp odr odv oed oee oei oel oen oeo oep oer oid oie oii oil oin oio oip oir oiv old ole oli oll oln olo olp on- ond one oni onl onn ono onp onr oo- ood ooi ool oon ooo oop oor oov op- opd ope opi opl opn opo opp opr opv or- ord ore ori orl orn oro orp orr orv ov- ovd ove ovi ovl ovo ovp ovv p-p pdd pde pdi pdl pdn pdo pdp pdr pdv ped pee pei pel pen peo pep per pev pid pie pii pil pin pio pip pir piv pld ple pli pll pln plo plp plr plv pn- pnd pne pni pnl pnn pno pnp pnr pnv pod poe poi pol pon poo pop por pov ppd ppe ppi ppl ppn ppo ppp ppr ppv prd pre pri prl prn pro prp prr prv pvd pve pvi pvl pvn pvo pvp pvr pvv rdd rde rdi rdl rdn rdo rdp rdr rdv re- red ree rei rel ren reo rep rer rev rid rie rii ril rin rio rip rir riv rld rle rli rll rln rlo rlp rlr rnd rni rnn rno rnp rnr rnv rod roe roi rol ron roo rop ror rov rpd rpe rpi rpl rpn rpo rpp rpr rpv rrd rri rrl rrn rrp rrr rvd rve rvi rvl rvn rvo rvp rvr rvv v-e vdd vde vdi vdl vdo vdp vdr vdv ved vee vei vel ven veo vep ver vi- vid vie vii vil vin vio vip vir viv vl- vld vle vll vlo vlp vlv vn- vnd vni vnl vno vnp vnr vnv vod voe voi vol von voo vop vor vov vpd vpe vpi vpl vpn vpo vpp vpr vrd vre vri vrn vrp vrr vvi vvo vvr vvv