-er -up ddd dde ddm ddo ddp ddr dds ddt ddu de- ded dee dem deo dep der des det deu dmd dme dmm dmo dmp dmr dms dmt dmu dod doe dom doo dop dor dos dot dou dpd dpe dpm dpo dpp dpr dps dpt dpu drd dre drm dro drp drr drs drt dru dsd dse dsm dso dsp dsr dss dst dsu dtd dte dtm dto dtp dtr dts dtt dtu dud due dum duo dup dur dus dut ed- edd ede edm edo edp edr eds edt edu eed eee eem eeo eep eer ees eet em- emd eme emm emo emp emr ems emt emu eo- eod eoe eom eoo eop eor eos eot eou ep- epd epe epm epo epp epr eps ept epu erd ere erm ero erp err ers ert eru es- esd ese esm eso esp esr ess est esu etd ete etm eto etp etr ets ett etu eu- eud eue eup eur eus eut m-o m-r mdd mde mdm mdo mdp mdr mds mdt mdu med mee mem meo mep mer mes met meu mmd mme mmm mmo mmp mmr mms mmt mmu mod moe mom moo mop mor mos mot mou mpd mpe mpm mpo mpp mpr mps mpt mpu mrd mre mrm mro mrp mrr mrs mrt mru msd mse msm mso msp msr mss mst msu mtd mte mtm mto mtp mtr mts mtt mtu mud mue mum mup mur mus mut muu odd ode odm odo odp odr ods odt odu oed oee oem oeo oep oer oes oet om- omd ome omm omo omp omr oms omt omu oo- ood oom ooo oop oor oos oot op- opd ope opm opo opp opr ops opt or- ord ore orm oro orp orr ors ort oru os- osd ose osm oso osp osr oss ost osu ot- otd ote otm oto otp otr ots ott otu ou- oud oue oum ouo oup our ous out p-p pdd pde pdm pdo pdp pdr pds pdt pdu ped pee pem peo pep per pes pet peu pmd pme pmm pmo pmp pmr pms pmt pmu pod poe pom poo pop por pos pot pou ppd ppe ppm ppo ppp ppr pps ppt ppu prd pre prm pro prp prr prs prt pru ps- psd pse psm pso psp psr pss pst psu pt- ptd pte ptm pto ptp ptr pts ptt ptu pud pue pum pup pur pus put puu rdd rde rdm rdo rdp rdr rds rdt rdu re- red ree rem reo rep rer res ret reu rmd rme rmm rmo rmp rmr rms rmt rod roe rom roo rop ror ros rot rou rpd rpe rpm rpo rpp rpr rps rpt rpu rrd rrm rrp rrr rrs rrt rru rsd rse rsm rso rsp rsr rss rst rsu rtd rte rtm rto rtp rtr rts rtt rtu rud rue rum ruo rup rur rus rut ruu sdd sde sdm sdo sdp sdr sds sdt sdu se- sed see sem seo sep ser ses set seu smd sme smm smo smp smr sms smt smu sod soe som soo sop sor sos sot sou spd spe spm spo spp spr sps spt spu sr- srd sre srm sro srp srr srs srt ss- ssd sse ssm sso ssp ssr sss sst ssu std ste stm sto stp str sts stt stu sud sue sum suo sup sur sus sut suu tdd tde tdm tdo tdp tdr tds tdt tdu te- ted tee tem teo tep ter tes tet teu tmd tme tmm tmo tmp tmr tms tmt tmu to- tod toe tom too top tor tos tot tou tpd tpe tpm tpo tpp tpr tps tpt tpu trd tre trm tro trp trr trs trt tru tsd tse tsm tso tsp tsr tss tst tsu ttd tte ttm tto ttp ttr tts ttt ttu tud tue tum tuo tup tur tus tut tuu udd ude udm udo udp udr uds udt udu ued uee uem uep uer ues uet um- umd ume umm umo ump umr ums umt umu uod uoe uom uoo uop uor uos uot up- upd upe upm upo upp upr ups upt upu ur- urd ure urm uro urp urr urs urt uru usd use usm uso usp usr uss ust usu utd ute utm uto utp utr uts utt utu uue uum uur uus uut uuu