-er ddd dde ddi ddm ddp ddr dds ddz de- ded dee dei dem dep der des dez di- did die dii dim dip dir dis diz dmd dme dmi dmm dmp dmr dms dmz dpd dpe dpi dpm dpp dpr dps dpz drd dre dri drm drp drr drs drz dsd dse dsi dsm dsp dsr dss dsz dzd dze dzi dzp dzr dzs ed- edd ede edi edm edp edr eds eed eee eem eep eer ees eid eie eii eim eip eir eis em- emd eme emi emm emp emr ems ep- epd epe epi epm epp epr eps epz erd ere eri erm erp err ers erz es- esd ese esi esm esp esr ess eze ezr ezs ezz i-d idd ide idi idm idp idr ids ie- ied iee iei iem iep ier ies iid iie iii iim iip iir iis im- imd ime imi imm imp ims imz ipd ipe ipi ipm ipp ipr ips ir- ird ire iri irm irp irr irs is- isd ise isi ism isp isr iss ize izi izm izz m-r mdd mde mdi mdm mdp mdr mds mdz med mee mei mem mep mer mes mez mi- mid mie mii mim mip mir mis miz mmd mme mmi mmm mmp mmr mms mmz mpd mpe mpi mpm mpp mpr mps mrd mre mri mrm mrp mrr mrs mrz msd mse msi msm msp msr mss mzi mzm mzp p-p pdd pde pdi pdm pdp pdr pds pdz ped pee pei pem pep per pes pez pid pie pii pim pip pir pis piz pmd pme pmi pmm pmp pmr pms pmz ppd ppe ppi ppm ppp ppr pps ppz prd pre pri prm prp prr prs prz ps- psd pse psi psm psp psr pss pzm pzp rdd rde rdi rdm rdp rdr rds re- red ree rei rem rep rer res rez rid rie rii rim rip rir ris riz rmd rme rmi rmm rmp rmr rms rpd rpe rpi rpm rpp rpr rps rpz rrd rri rrm rrp rrr rrs rsd rse rsi rsm rsp rsr rss rze rzm sdd sde sdi sdm sdp sdr sds sdz se- sed see sei sem sep ser ses sez sid sie sii sim sip sir sis smd sme smi smm smp smr sms smz spd spe spi spm spp spr sps spz sr- srd sre sri srm srp srr srs ss- ssd sse ssi ssm ssp ssr sss ssz szd sze szi szp szr zdm zds zed zee zem zep zer zes zez zid zie zim zip zir zis ziz zmd zmm zmp zms zpe zpi zpm zpp zpr zrp zrs zse zsi zsm zsz zzr zzs zzz