-er -ol ddd dde ddi ddl ddn ddo ddp ddr dds de- ded dee dei del den deo dep der des di- did die dii dil din dio dip dir dis dl- dld dle dli dll dlo dlp dlr dls dnd dne dni dnl dnn dno dnp dnr dns dod doe doi dol don doo dop dor dos dpd dpe dpi dpl dpn dpo dpp dpr dps drd dre dri drl drn dro drp drr drs dsd dse dsi dsl dsn dso dsp dsr dss ed- edd ede edi edl edn edo edp edr eds eed eee eel een eeo eep eer ees eid eie eii eil ein eio eip eir eis eld ele eli ell eln elo elp elr els en- end ene eni enl enn eno enp enr ens eo- eod eoe eoi eol eon eoo eop eor eos ep- epd epe epi epl epn epo epp epr eps erd ere eri erl ern ero erp err ers es- esd ese esi esl esn eso esp esr ess i-d idd ide idi idl idn ido idp idr ids ie- ied iee iei iel ien iep ier ies iid iie iii iil iin iio iip iir iis il- ild ile ili ill iln ilo ilp ilr ils in- ind ine ini inl inn ino inp inr ins io- iod ioe ioi iol ion ioo iop ior ios ipd ipe ipi ipl ipn ipo ipp ipr ips ir- ird ire iri irl irn iro irp irr irs is- isd ise isi isl isn iso isp isr iss l-p ldd lde ldi ldl ldn ldo ldp ldr lds led lee lei lel len leo lep ler les lid lie lii lil lin lio lip lir lis lld lle lli lll lln llo llp llr lls lnd lne lni lnl lnn lno lnp lnr lns lod loe loi lol lon loo lop lor los lpd lpe lpi lpl lpn lpo lpp lpr lps lrd lri lrn lro lrp lrr lrs lsd lse lsi lsl lsn lso lsp lsr lss n-i ndd nde ndi ndl ndn ndo ndp ndr nds ne- ned nee nei nel nen neo nep ner nes nid nie nii nil nin nio nip nir nis nld nle nli nll nln nlo nlp nlr nls nne nni nnl nnn nno nnp nns no- nod noe noi nol non noo nop nor nos npd npe npi npl npn npo npp npr nps nrd nre nri nrl nrn nro nrp nrr nrs nsd nse nsi nsl nsn nso nsp nsr nss o-i odd ode odi odl odn odo odp odr ods oed oee oei oel oen oeo oep oer oes oid oie oii oil oin oio oip oir ois old ole oli oll oln olo olp ols on- ond one oni onl onn ono onp onr ons oo- ood ooi ool oon ooo oop oor oos op- opd ope opi opl opn opo opp opr ops or- ord ore ori orl orn oro orp orr ors os- osd ose osi osl osn oso osp osr oss p-p pdd pde pdi pdl pdn pdo pdp pdr pds ped pee pei pel pen peo pep per pes pid pie pii pil pin pio pip pir pis pld ple pli pll pln plo plp plr pls pn- pnd pne pni pnl pnn pno pnp pnr pns pod poe poi pol pon poo pop por pos ppd ppe ppi ppl ppn ppo ppp ppr pps prd pre pri prl prn pro prp prr prs ps- psd pse psi psl psn pso psp psr pss rdd rde rdi rdl rdn rdo rdp rdr rds re- red ree rei rel ren reo rep rer res rid rie rii ril rin rio rip rir ris rld rle rli rll rln rlo rlp rlr rls rnd rni rnn rno rnp rnr rns rod roe roi rol ron roo rop ror ros rpd rpe rpi rpl rpn rpo rpp rpr rps rrd rri rrl rrn rrp rrr rrs rsd rse rsi rsl rsn rso rsp rsr rss sdd sde sdi sdl sdn sdo sdp sdr sds se- sed see sei sel sen seo sep ser ses sid sie sii sil sin sio sip sir sis sld sle sli sll sln slo slp slr sls snd sne sni snl snn sno snp snr sns sod soe soi sol son soo sop sor sos spd spe spi spl spn spo spp spr sps sr- srd sre sri srl srn sro srp srr srs ss- ssd sse ssi ssl ssn sso ssp ssr sss