-er -up ddd dde ddi ddn ddo ddp ddr dds ddu de- ded dee dei den deo dep der des deu di- did die dii din dio dip dir dis diu dnd dne dni dnn dno dnp dnr dns dod doe doi don doo dop dor dos dou dpd dpe dpi dpn dpo dpp dpr dps dpu drd dre dri drn dro drp drr drs dru dsd dse dsi dsn dso dsp dsr dss dsu dud due dui dun duo dup dur dus ed- edd ede edi edn edo edp edr eds edu eed eee een eeo eep eer ees eid eie eii ein eio eip eir eis eiu en- end ene eni enn eno enp enr ens enu eo- eod eoe eoi eon eoo eop eor eos eou ep- epd epe epi epn epo epp epr eps epu erd ere eri ern ero erp err ers eru es- esd ese esi esn eso esp esr ess esu eu- eud eue eui eun eup eur eus i-d idd ide idi idn ido idp idr ids idu ie- ied iee iei ien iep ier ies iid iie iii iin iio iip iir iis iiu in- ind ine ini inn ino inp inr ins inu io- iod ioe ioi ion ioo iop ior ios iou ipd ipe ipi ipn ipo ipp ipr ips ipu ir- ird ire iri irn iro irp irr irs iru is- isd ise isi isn iso isp isr iss isu iu- iud iue iui iup iur ius n-i ndd nde ndi ndn ndo ndp ndr nds ndu ne- ned nee nei nen neo nep ner nes neu nid nie nii nin nio nip nir nis niu nne nni nnn nno nnp nns nnu no- nod noe noi non noo nop nor nos nou npd npe npi npn npo npp npr nps npu nrd nre nri nrn nro nrp nrr nrs nru nsd nse nsi nsn nso nsp nsr nss nsu nud nue nui nun nuo nup nur nus nuu o-i odd ode odi odn odo odp odr ods odu oed oee oei oen oeo oep oer oes oid oie oii oin oio oip oir ois oiu on- ond one oni onn ono onp onr ons onu oo- ood ooi oon ooo oop oor oos op- opd ope opi opn opo opp opr ops or- ord ore ori orn oro orp orr ors oru os- osd ose osi osn oso osp osr oss osu ou- oud oue oui oun ouo oup our ous p-p pdd pde pdi pdn pdo pdp pdr pds pdu ped pee pei pen peo pep per pes peu pid pie pii pin pio pip pir pis piu pn- pnd pne pni pnn pno pnp pnr pns pnu pod poe poi pon poo pop por pos pou ppd ppe ppi ppn ppo ppp ppr pps ppu prd pre pri prn pro prp prr prs pru ps- psd pse psi psn pso psp psr pss psu pud pue pui pun pup pur pus puu rdd rde rdi rdn rdo rdp rdr rds rdu re- red ree rei ren reo rep rer res reu rid rie rii rin rio rip rir ris rnd rni rnn rno rnp rnr rns rnu rod roe roi ron roo rop ror ros rou rpd rpe rpi rpn rpo rpp rpr rps rpu rrd rri rrn rrp rrr rrs rru rsd rse rsi rsn rso rsp rsr rss rsu rud rue rui run ruo rup rur rus ruu sdd sde sdi sdn sdo sdp sdr sds sdu se- sed see sei sen seo sep ser ses seu sid sie sii sin sio sip sir sis siu snd sne sni snn sno snp snr sns snu sod soe soi son soo sop sor sos sou spd spe spi spn spo spp spr sps spu sr- srd sre sri srn sro srp srr srs ss- ssd sse ssi ssn sso ssp ssr sss ssu sud sue sui sun suo sup sur sus suu udd ude udi udn udo udp udr uds udu ued uee uei uen uep uer ues uid uie uii uin uio uip uir uis uiu un- und une uni unn uno unp unr uns unu uod uoe uon uoo uop uor uos up- upd upe upi upn upo upp upr ups upu ur- urd ure uri urn uro urp urr urs uru usd use usi usn uso usp usr uss usu uue uun uur uus uuu