-er eee eef eem eeo eer ef- efe eff efh efm efo efr ehe ehf ehh ehm eho ehr em- eme emf emh emm emo emr eo- eoe eof eoh eom eoo eor ere erf erh erm ero err fee fef feh fem feo fer ffe fff ffh ffm ffo ffr fhe fhf fhh fhm fho fhr fme fmf fmh fmm fmo fmr foe fof foh fom foo for fre frf frh frm fro frr he- hee hef heh hem heo her hfe hff hfh hfm hfo hfr hhe hhf hhh hhm hho hhr hme hmf hmh hmm hmo hmr hoe hof hoh hom hoo hor hr- hre hrf hrh hrm hro hrr m-f m-o m-r mee mef meh mem meo mer mfe mff mfh mfm mfo mfr mhf mhh mhm mho mhr mme mmf mmh mmm mmo mmr moe mof moh mom moo mor mre mrf mrh mrm mro mrr oee oef oeh oem oeo oer of- ofe off ofm ofo ofr ohe ohf ohh ohm oho ohr om- ome omf omh omm omo omr oo- oof ooh oom ooo oor or- ore orf orh orm oro orr re- ree ref reh rem reo rer rfe rff rfh rfm rfo rfr rh- rhe rhf rhh rhm rho rhr rme rmf rmh rmm rmo rmr roe rof roh rom roo ror rrf rrh rrm rrr