-er ddd dde ddg ddi ddm ddp ddr de- ded dee deg dei dem dep der dgd dge dgg dgi dgm dgp dgr di- did die dig dii dim dip dir dmd dme dmg dmi dmm dmp dmr dpd dpe dpg dpi dpm dpp dpr drd dre drg dri drm drp drr ed- edd ede edg edi edm edp edr eed eee eeg eem eep eer egd ege egg egi egm egp egr eid eie eig eii eim eip eir em- emd eme emg emi emm emp emr ep- epd epe epg epi epm epp epr erd ere erg eri erm erp err g-d g-p gdd gde gdi gdm gdp gdr ge- ged gee geg gei gem gep ger ggd ggg ggi ggm ggp ggr gid gie gig gii gim gip gir gmd gme gmg gmi gmm gmp gmr gpd gpe gpg gpi gpm gpp gpr grd gre grg gri grm grp grr i-d idd ide idg idi idm idp idr ie- ied iee ieg iei iem iep ier igd ige igg igi igm igp igr iid iie iii iim iip iir im- imd ime img imi imm imp ipd ipe ipg ipi ipm ipp ipr ir- ird ire irg iri irm irp irr m-r mdd mde mdg mdi mdm mdp mdr med mee meg mei mem mep mer mgd mge mgi mgm mgp mgr mi- mid mie mig mii mim mip mir mmd mme mmg mmi mmm mmp mmr mpd mpe mpg mpi mpm mpp mpr mrd mre mrg mri mrm mrp mrr p-p pdd pde pdg pdi pdm pdp pdr ped pee peg pei pem pep per pgd pge pgg pgi pgm pgp pgr pid pie pig pii pim pip pir pmd pme pmg pmi pmm pmp pmr ppd ppe ppg ppi ppm ppp ppr prd pre prg pri prm prp prr rdd rde rdg rdi rdm rdp rdr re- red ree reg rei rem rep rer rgd rge rgg rgi rgp rgr rid rie rig rii rim rip rir rmd rme rmg rmi rmm rmp rmr rpd rpe rpg rpi rpm rpp rpr rrd rrg rri rrm rrp rrr