-er -up ddd dde ddf ddm ddp ddr dds ddt ddu de- ded dee def dem dep der des det deu dfd dfe dff dfm dfp dfr dfs dft dfu dmd dme dmf dmm dmp dmr dms dmt dmu dpd dpe dpf dpm dpp dpr dps dpt dpu drd dre drm drp drr drs drt dru dsd dse dsf dsm dsp dsr dss dst dsu dtd dte dtf dtm dtp dtr dts dtt dtu dud due duf dum dup dur dus dut ed- edd ede edf edm edp edr eds edt edu eed eee eef eem eep eer ees eet ef- efd efe eff efm efp efr efs eft em- emd eme emf emm emp emr ems emt emu ep- epd epe epf epm epp epr eps ept epu erd ere erf erm erp err ers ert eru es- esd ese esf esm esp esr ess est esu etd ete etf etm etp etr ets ett etu eu- eud eue euf eup eur eus eut fdd fde fdf fdm fdp fdr fds fdt fdu fed fee fef fem fep fer fes fet feu ffd ffe fff ffm ffp ffr ffs fft ffu fmd fme fmf fmm fmp fmr fms fmt fmu fpd fpe fpm fpp fpr fps fpt fpu frd fre frf frm frp frr frs frt fru fsd fse fsf fsm fsp fsr fss fst fsu ftd fte ftf ftm ftp ftr fts ftt ftu fud fue fuf fum fup fur fus fut fuu m-f m-r mdd mde mdf mdm mdp mdr mds mdt mdu med mee mef mem mep mer mes met meu mfd mfe mff mfm mfp mfr mfs mft mfu mmd mme mmf mmm mmp mmr mms mmt mmu mpd mpe mpf mpm mpp mpr mps mpt mpu mrd mre mrf mrm mrp mrr mrs mrt mru msd mse msf msm msp msr mss mst msu mtd mte mtf mtm mtp mtr mts mtt mtu mud mue muf mum mup mur mus mut muu p-p pdd pde pdf pdm pdp pdr pds pdt pdu ped pee pef pem pep per pes pet peu pfd pfe pff pfm pfp pfr pfs pft pfu pmd pme pmf pmm pmp pmr pms pmt pmu ppd ppe ppf ppm ppp ppr pps ppt ppu prd pre prf prm prp prr prs prt pru ps- psd pse psf psm psp psr pss pst psu pt- ptd pte ptf ptm ptp ptr pts ptt ptu pud pue puf pum pup pur pus put puu rdd rde rdf rdm rdp rdr rds rdt rdu re- red ree ref rem rep rer res ret reu rfd rfe rff rfm rfp rfr rfs rft rfu rmd rme rmf rmm rmp rmr rms rmt rpd rpe rpf rpm rpp rpr rps rpt rpu rrd rrf rrm rrp rrr rrs rrt rru rsd rse rsf rsm rsp rsr rss rst rsu rtd rte rtf rtm rtp rtr rts rtt rtu rud rue ruf rum rup rur rus rut ruu sdd sde sdf sdm sdp sdr sds sdt sdu se- sed see sef sem sep ser ses set seu sfd sfe sff sfm sfp sfr sfs sft sfu smd sme smf smm smp smr sms smt smu spd spe spf spm spp spr sps spt spu sr- srd sre srf srm srp srr srs srt ss- ssd sse ssf ssm ssp ssr sss sst ssu std ste stf stm stp str sts stt stu sud sue suf sum sup sur sus sut suu tdd tde tdf tdm tdp tdr tds tdt tdu te- ted tee tef tem tep ter tes tet teu tfd tfe tff tfm tfp tfr tfs tft tfu tmd tme tmf tmm tmp tmr tms tmt tmu tpd tpe tpf tpm tpp tpr tps tpt tpu trd tre trf trm trp trr trs trt tru tsd tse tsf tsm tsp tsr tss tst tsu ttd tte ttf ttm ttp ttr tts ttt ttu tud tue tuf tum tup tur tus tut tuu udd ude udf udm udp udr uds udt udu ued uee uef uem uep uer ues uet ufd ufe uff ufm ufp ufr ufs uft ufu um- umd ume umf umm ump umr ums umt umu up- upd upe upf upm upp upr ups upt upu ur- urd ure urf urm urp urr urs urt uru usd use usf usm usp usr uss ust usu utd ute utf utm utp utr uts utt utu uue uum uur uus uut uuu