-er -up ddd dde ddi ddl ddn ddp ddr dds ddu de- ded dee dei del den dep der des deu di- did die dii dil din dip dir dis diu dl- dld dle dli dll dlp dlr dls dlu dnd dne dni dnl dnn dnp dnr dns dpd dpe dpi dpl dpn dpp dpr dps dpu drd dre dri drl drn drp drr drs dru dsd dse dsi dsl dsn dsp dsr dss dsu dud due dui dul dun dup dur dus ed- edd ede edi edl edn edp edr eds edu eed eee eel een eep eer ees eid eie eii eil ein eip eir eis eiu eld ele eli ell eln elp elr els elu en- end ene eni enl enn enp enr ens enu ep- epd epe epi epl epn epp epr eps epu erd ere eri erl ern erp err ers eru es- esd ese esi esl esn esp esr ess esu eu- eud eue eui eul eun eup eur eus i-d idd ide idi idl idn idp idr ids idu ie- ied iee iei iel ien iep ier ies iid iie iii iil iin iip iir iis iiu il- ild ile ili ill iln ilp ilr ils ilu in- ind ine ini inl inn inp inr ins inu ipd ipe ipi ipl ipn ipp ipr ips ipu ir- ird ire iri irl irn irp irr irs iru is- isd ise isi isl isn isp isr iss isu iu- iud iue iui iup iur ius l-p ldd lde ldi ldl ldn ldp ldr lds ldu led lee lei lel len lep ler les leu lid lie lii lil lin lip lir lis liu lld lle lli lll lln llp llr lls llu lnd lne lni lnl lnn lnp lnr lns lnu lpd lpe lpi lpl lpn lpp lpr lps lpu lrd lri lrn lrp lrr lrs lru lsd lse lsi lsl lsn lsp lsr lss lsu lud lue lui lul lun lup lur lus luu n-i ndd nde ndi ndl ndn ndp ndr nds ndu ne- ned nee nei nel nen nep ner nes neu nid nie nii nil nin nip nir nis niu nld nle nli nll nln nlp nlr nls nlu nne nni nnl nnn nnp nns nnu npd npe npi npl npn npp npr nps npu nrd nre nri nrl nrn nrp nrr nrs nru nsd nse nsi nsl nsn nsp nsr nss nsu nud nue nui nul nun nup nur nus nuu p-p pdd pde pdi pdl pdn pdp pdr pds pdu ped pee pei pel pen pep per pes peu pid pie pii pil pin pip pir pis piu pld ple pli pll pln plp plr pls plu pn- pnd pne pni pnl pnn pnp pnr pns pnu ppd ppe ppi ppl ppn ppp ppr pps ppu prd pre pri prl prn prp prr prs pru ps- psd pse psi psl psn psp psr pss psu pud pue pui pul pun pup pur pus puu rdd rde rdi rdl rdn rdp rdr rds rdu re- red ree rei rel ren rep rer res reu rid rie rii ril rin rip rir ris rld rle rli rll rln rlp rlr rls rlu rnd rni rnn rnp rnr rns rnu rpd rpe rpi rpl rpn rpp rpr rps rpu rrd rri rrl rrn rrp rrr rrs rru rsd rse rsi rsl rsn rsp rsr rss rsu rud rue rui run rup rur rus ruu sdd sde sdi sdl sdn sdp sdr sds sdu se- sed see sei sel sen sep ser ses seu sid sie sii sil sin sip sir sis siu sld sle sli sll sln slp slr sls slu snd sne sni snl snn snp snr sns snu spd spe spi spl spn spp spr sps spu sr- srd sre sri srl srn srp srr srs ss- ssd sse ssi ssl ssn ssp ssr sss ssu sud sue sui sul sun sup sur sus suu udd ude udi udl udn udp udr uds udu ued uee uei uel uen uep uer ues uid uie uii uil uin uip uir uis uiu uld ule uli ull uln ulp ulr uls ulu un- und une uni unl unn unp unr uns unu up- upd upe upi upn upp upr ups upu ur- urd ure uri url urn urp urr urs uru usd use usi usl usn usp usr uss usu uue uun uur uus uuu