-er ddd dde ddf ddi ddm ddo ddp ddr de- ded dee def dei dem deo dep der dfd dfe dff dfi dfm dfo dfp dfr di- did die dif dii dim dio dip dir dmd dme dmf dmi dmm dmo dmp dmr dod doe dof doi dom doo dop dor dpd dpe dpf dpi dpm dpo dpp dpr drd dre dri drm dro drp drr ed- edd ede edf edi edm edo edp edr eed eee eef eem eeo eep eer ef- efd efe eff efi efm efo efp efr eid eie eif eii eim eio eip eir em- emd eme emf emi emm emo emp emr eo- eod eoe eof eoi eom eoo eop eor ep- epd epe epf epi epm epo epp epr erd ere erf eri erm ero erp err fdd fde fdf fdi fdm fdo fdp fdr fed fee fef fei fem feo fep fer ffd ffe fff ffi ffm ffo ffp ffr fid fie fif fii fim fip fir fmd fme fmf fmi fmm fmo fmp fmr foe fof foi fom foo fop for fpd fpe fpi fpm fpo fpp fpr frd fre frf fri frm fro frp frr i-d i-f idd ide idf idi idm ido idp idr ie- ied iee ief iei iem iep ier ifd ife iff ifi ifm ifo ifp ifr iid iie iif iii iim iio iip iir im- imd ime imf imi imm imo imp io- iod ioe iof ioi iom ioo iop ior ipd ipe ipf ipi ipm ipo ipp ipr ir- ird ire irf iri irm iro irp irr m-f m-o m-r mdd mde mdf mdi mdm mdo mdp mdr med mee mef mei mem meo mep mer mfd mfe mff mfi mfm mfo mfp mfr mi- mid mie mif mii mim mio mip mir mmd mme mmf mmi mmm mmo mmp mmr mod moe mof moi mom moo mop mor mpd mpe mpf mpi mpm mpo mpp mpr mrd mre mrf mri mrm mro mrp mrr o-i odd ode odf odi odm odo odp odr oed oee oef oei oem oeo oep oer of- ofd ofe off ofi ofm ofo ofp ofr oid oie oif oii oim oio oip oir om- omd ome omf omi omm omo omp omr oo- ood oof ooi oom ooo oop oor op- opd ope opf opi opm opo opp opr or- ord ore orf ori orm oro orp orr p-p pdd pde pdf pdi pdm pdo pdp pdr ped pee pef pei pem peo pep per pfd pfe pff pfi pfm pfo pfp pfr pid pie pif pii pim pio pip pir pmd pme pmf pmi pmm pmo pmp pmr pod poe pof poi pom poo pop por ppd ppe ppf ppi ppm ppo ppp ppr prd pre prf pri prm pro prp prr rdd rde rdf rdi rdm rdo rdp rdr re- red ree ref rei rem reo rep rer rfd rfe rff rfi rfm rfo rfp rfr rid rie rif rii rim rio rip rir rmd rme rmf rmi rmm rmo rmp rmr rod roe rof roi rom roo rop ror rpd rpe rpf rpi rpm rpo rpp rpr rrd rrf rri rrm rrp rrr