-ey eee eem eeo eep eey eie eii eim eio eip em- eme emi emm emo emp eo- eoe eoi eom eoo eop ep- epe epi epm epo epp eye eym eyo eyp ie- iee iei iem iep iey iie iii iim iio iip im- ime imi imm imo imp imy io- ioe ioi iom ioo iop ipe ipi ipm ipo ipp ipy iye iym iyo iyy m-o mee mei mem meo mep mey mi- mie mii mim mio mip miy mme mmi mmm mmo mmp moe moi mom moo mop moy mpe mpi mpm mpo mpp my- mye mym myo o-i oee oei oem oeo oep oey oie oii oim oio oip om- ome omi omm omo omp omy oo- ooi oom ooo oop op- ope opi opm opo opp opy oye oyi oyo p-p pee pei pem peo pep pey pie pii pim pio pip pme pmi pmm pmo pmp poe poi pom poo pop poy ppe ppi ppm ppo ppp py- pye pym pyo yee yei yem yeo yep yey yie yii yim yio yip yme ymi ymm ymo yoe yoi yom yoo yop yoy ypo yye yyy