-er -up ddd dde ddm ddp ddr dds ddu de- ded dee dem dep der des deu dmd dme dmm dmp dmr dms dmu dpd dpe dpm dpp dpr dps dpu drd dre drm drp drr drs dru dsd dse dsm dsp dsr dss dsu dud due dum dup dur dus ed- edd ede edm edp edr eds edu eed eee eem eep eer ees em- emd eme emm emp emr ems emu ep- epd epe epm epp epr eps epu erd ere erm erp err ers eru es- esd ese esm esp esr ess esu eu- eud eue eup eur eus m-r mdd mde mdm mdp mdr mds mdu med mee mem mep mer mes meu mmd mme mmm mmp mmr mms mmu mpd mpe mpm mpp mpr mps mpu mrd mre mrm mrp mrr mrs mru msd mse msm msp msr mss msu mud mue mum mup mur mus muu p-p pdd pde pdm pdp pdr pds pdu ped pee pem pep per pes peu pmd pme pmm pmp pmr pms pmu ppd ppe ppm ppp ppr pps ppu prd pre prm prp prr prs pru ps- psd pse psm psp psr pss psu pud pue pum pup pur pus puu rdd rde rdm rdp rdr rds rdu re- red ree rem rep rer res reu rmd rme rmm rmp rmr rms rpd rpe rpm rpp rpr rps rpu rrd rrm rrp rrr rrs rru rsd rse rsm rsp rsr rss rsu rud rue rum rup rur rus ruu sdd sde sdm sdp sdr sds sdu se- sed see sem sep ser ses seu smd sme smm smp smr sms smu spd spe spm spp spr sps spu sr- srd sre srm srp srr srs ss- ssd sse ssm ssp ssr sss ssu sud sue sum sup sur sus suu udd ude udm udp udr uds udu ued uee uem uep uer ues um- umd ume umm ump umr ums umu up- upd upe upm upp upr ups upu ur- urd ure urm urp urr urs uru usd use usm usp usr uss usu uue uum uur uus uuu