-er -up ddd dde ddi ddm ddp ddr dds ddu de- ded dee dei dem dep der des deu di- did die dii dim dip dir dis diu dmd dme dmi dmm dmp dmr dms dmu dpd dpe dpi dpm dpp dpr dps dpu drd dre dri drm drp drr drs dru dsd dse dsi dsm dsp dsr dss dsu dud due dui dum dup dur dus ed- edd ede edi edm edp edr eds edu eed eee eem eep eer ees eid eie eii eim eip eir eis eiu em- emd eme emi emm emp emr ems emu ep- epd epe epi epm epp epr eps epu erd ere eri erm erp err ers eru es- esd ese esi esm esp esr ess esu eu- eud eue eui eup eur eus i-d idd ide idi idm idp idr ids idu ie- ied iee iei iem iep ier ies iid iie iii iim iip iir iis iiu im- imd ime imi imm imp ims imu ipd ipe ipi ipm ipp ipr ips ipu ir- ird ire iri irm irp irr irs iru is- isd ise isi ism isp isr iss isu iu- iud iue iui ium iup iur ius m-r mdd mde mdi mdm mdp mdr mds mdu med mee mei mem mep mer mes meu mi- mid mie mii mim mip mir mis miu mmd mme mmi mmm mmp mmr mms mmu mpd mpe mpi mpm mpp mpr mps mpu mrd mre mri mrm mrp mrr mrs mru msd mse msi msm msp msr mss msu mud mue mui mum mup mur mus muu p-p pdd pde pdi pdm pdp pdr pds pdu ped pee pei pem pep per pes peu pid pie pii pim pip pir pis piu pmd pme pmi pmm pmp pmr pms pmu ppd ppe ppi ppm ppp ppr pps ppu prd pre pri prm prp prr prs pru ps- psd pse psi psm psp psr pss psu pud pue pui pum pup pur pus puu rdd rde rdi rdm rdp rdr rds rdu re- red ree rei rem rep rer res reu rid rie rii rim rip rir ris rmd rme rmi rmm rmp rmr rms rpd rpe rpi rpm rpp rpr rps rpu rrd rri rrm rrp rrr rrs rru rsd rse rsi rsm rsp rsr rss rsu rud rue rui rum rup rur rus ruu sdd sde sdi sdm sdp sdr sds sdu se- sed see sei sem sep ser ses seu sid sie sii sim sip sir sis siu smd sme smi smm smp smr sms smu spd spe spi spm spp spr sps spu sr- srd sre sri srm srp srr srs ss- ssd sse ssi ssm ssp ssr sss ssu sud sue sui sum sup sur sus suu udd ude udi udm udp udr uds udu ued uee uei uem uep uer ues uid uie uii uim uip uir uis uiu um- umd ume umi umm ump umr ums umu up- upd upe upi upm upp upr ups upu ur- urd ure uri urm urp urr urs uru usd use usi usm usp usr uss usu uue uum uur uus uuu