-er -up ddd dde ddm ddn ddp ddr dds ddt ddu de- ded dee dem den dep der des det deu dmd dme dmm dmn dmp dmr dms dmt dmu dnd dne dnm dnn dnp dnr dns dnt dpd dpe dpm dpn dpp dpr dps dpt dpu drd dre drm drn drp drr drs drt dru dsd dse dsm dsn dsp dsr dss dst dsu dtd dte dtm dtn dtp dtr dts dtt dtu dud due dum dun dup dur dus dut ed- edd ede edm edn edp edr eds edt edu eed eee eem een eep eer ees eet em- emd eme emm emn emp emr ems emt emu en- end ene enm enn enp enr ens ent enu ep- epd epe epm epn epp epr eps ept epu erd ere erm ern erp err ers ert eru es- esd ese esm esn esp esr ess est esu etd ete etm etn etp etr ets ett etu eu- eud eue eun eup eur eus eut m-r mdd mde mdm mdn mdp mdr mds mdt mdu med mee mem men mep mer mes met meu mmd mme mmm mmn mmp mmr mms mmt mmu mne mnm mnn mnp mnr mns mnt mnu mpd mpe mpm mpn mpp mpr mps mpt mpu mrd mre mrm mrn mrp mrr mrs mrt mru msd mse msm msn msp msr mss mst msu mtd mte mtm mtn mtp mtr mts mtt mtu mud mue mum mun mup mur mus mut muu ndd nde ndm ndn ndp ndr nds ndt ndu ne- ned nee nem nen nep ner nes net neu nmd nme nmm nmn nmp nmr nms nmt nmu nne nnm nnn nnp nns nnt nnu npd npe npm npn npp npr nps npt npu nrd nre nrm nrn nrp nrr nrs nrt nru nsd nse nsm nsn nsp nsr nss nst nsu ntd nte ntm ntn ntp ntr nts ntt ntu nud nue num nun nup nur nus nut nuu p-p pdd pde pdm pdn pdp pdr pds pdt pdu ped pee pem pen pep per pes pet peu pmd pme pmm pmn pmp pmr pms pmt pmu pn- pnd pne pnm pnn pnp pnr pns pnt pnu ppd ppe ppm ppn ppp ppr pps ppt ppu prd pre prm prn prp prr prs prt pru ps- psd pse psm psn psp psr pss pst psu pt- ptd pte ptm ptn ptp ptr pts ptt ptu pud pue pum pun pup pur pus put puu rdd rde rdm rdn rdp rdr rds rdt rdu re- red ree rem ren rep rer res ret reu rmd rme rmm rmn rmp rmr rms rmt rnd rnm rnn rnp rnr rns rnt rnu rpd rpe rpm rpn rpp rpr rps rpt rpu rrd rrm rrn rrp rrr rrs rrt rru rsd rse rsm rsn rsp rsr rss rst rsu rtd rte rtm rtn rtp rtr rts rtt rtu rud rue rum run rup rur rus rut ruu sdd sde sdm sdn sdp sdr sds sdt sdu se- sed see sem sen sep ser ses set seu smd sme smm smn smp smr sms smt smu snd sne snm snn snp snr sns snt snu spd spe spm spn spp spr sps spt spu sr- srd sre srm srn srp srr srs srt ss- ssd sse ssm ssn ssp ssr sss sst ssu std ste stm stn stp str sts stt stu sud sue sum sun sup sur sus sut suu tdd tde tdm tdn tdp tdr tds tdt tdu te- ted tee tem ten tep ter tes tet teu tmd tme tmm tmn tmp tmr tms tmt tmu tnd tne tnm tnn tnp tnr tns tnt tpd tpe tpm tpn tpp tpr tps tpt tpu trd tre trm trn trp trr trs trt tru tsd tse tsm tsn tsp tsr tss tst tsu ttd tte ttm ttn ttp ttr tts ttt ttu tud tue tum tun tup tur tus tut tuu udd ude udm udn udp udr uds udt udu ued uee uem uen uep uer ues uet um- umd ume umm umn ump umr ums umt umu un- und une unm unn unp unr uns unt unu up- upd upe upm upn upp upr ups upt upu ur- urd ure urm urn urp urr urs urt uru usd use usm usn usp usr uss ust usu utd ute utm utn utp utr uts utt utu uue uum uun uur uus uut uuu