-er eee eem eeo eer ehe ehh ehm eho ehr em- eme emh emm emo emr eo- eoe eoh eom eoo eor ere erh erm ero err he- hee heh hem heo her hhe hhh hhm hho hhr hme hmh hmm hmo hmr hoe hoh hom hoo hor hr- hre hrh hrm hro hrr m-o m-r mee meh mem meo mer mhh mhm mho mhr mme mmh mmm mmo mmr moe moh mom moo mor mre mrh mrm mro mrr oee oeh oem oeo oer ohe ohh ohm oho ohr om- ome omh omm omo omr oo- ooh oom ooo oor or- ore orh orm oro orr re- ree reh rem reo rer rh- rhe rhh rhm rho rhr rme rmh rmm rmo rmr roe roh rom roo ror rrh rrm rrr