eee eem eeo eep eet eev eie eii eim eio eip eit eiv em- eme emi emm emo emp emt emv eo- eoe eoi eom eoo eop eot ep- epe epi epm epo epp ept ete eti etm eto etp ett etv eve evi evm evo evp evt evv i-v ie- iee iei iem iep iet iev iie iii iim iio iip iit im- ime imi imm imo imp imt imv io- ioe ioi iom ioo iop iot iov ipe ipi ipm ipo ipp ipt ipv ite iti itm ito itp itt itv ive ivi ivo ivp ivt ivv m-o m-v mee mei mem meo mep met mev mi- mie mii mim mio mip mit miv mme mmi mmm mmo mmp mmt mmv moe moi mom moo mop mot mov mpe mpi mpm mpo mpp mpt mpv mte mti mtm mto mtp mtt mtv mve mvi mvm mvo mvp mvt mvv o-i oee oei oem oeo oep oet oie oii oim oio oip oit oiv om- ome omi omm omo omp omt omv oo- ooi oom ooo oop oot oov op- ope opi opm opo opp opt opv ot- ote oti otm oto otp ott otv ov- ove ovi ovo ovp ovv p-p pee pei pem peo pep pet pev pie pii pim pio pip pit piv pme pmi pmm pmo pmp pmt pmv poe poi pom poo pop pot pov ppe ppi ppm ppo ppp ppt ppv pt- pte pti ptm pto ptp ptt ptv pve pvi pvm pvo pvp pvt pvv te- tee tei tem teo tep tet tev tie tii tim tio tip tit tiv tme tmi tmm tmo tmp tmt tmv to- toe toi tom too top tot tov tpe tpi tpm tpo tpp tpt tpv tte tti ttm tto ttp ttt ttv tve tvi tvm tvo tvp tvt v-e vee vei vem veo vep vet vi- vie vii vim vio vip vit viv vm- vmi vmm vmo vmt voe voi vom voo vop vot vov vpe vpi vpm vpo vpp vpt vte vti vtm vto vtt vtv vvi vvm vvo vvt vvv