eee eem eeo eep eet eie eii eim eio eip eit em- eme emi emm emo emp emt eo- eoe eoi eom eoo eop eot ep- epe epi epm epo epp ept ete eti etm eto etp ett ie- iee iei iem iep iet iie iii iim iio iip iit im- ime imi imm imo imp imt io- ioe ioi iom ioo iop iot ipe ipi ipm ipo ipp ipt ite iti itm ito itp itt m-o mee mei mem meo mep met mi- mie mii mim mio mip mit mme mmi mmm mmo mmp mmt moe moi mom moo mop mot mpe mpi mpm mpo mpp mpt mte mti mtm mto mtp mtt o-i oee oei oem oeo oep oet oie oii oim oio oip oit om- ome omi omm omo omp omt oo- ooi oom ooo oop oot op- ope opi opm opo opp opt ot- ote oti otm oto otp ott p-p pee pei pem peo pep pet pie pii pim pio pip pit pme pmi pmm pmo pmp pmt poe poi pom poo pop pot ppe ppi ppm ppo ppp ppt pt- pte pti ptm pto ptp ptt te- tee tei tem teo tep tet tie tii tim tio tip tit tme tmi tmm tmo tmp tmt to- toe toi tom too top tot tpe tpi tpm tpo tpp tpt tte tti ttm tto ttp ttt