-er eee eem een eeo eep eer eie eii eim ein eio eip eir em- eme emi emm emn emo emp emr en- ene eni enm enn eno enp enr eo- eoe eoi eom eon eoo eop eor ep- epe epi epm epn epo epp epr ere eri erm ern ero erp err ie- iee iei iem ien iep ier iie iii iim iin iio iip iir im- ime imi imm imn imo imp in- ine ini inm inn ino inp inr io- ioe ioi iom ion ioo iop ior ipe ipi ipm ipn ipo ipp ipr ir- ire iri irm irn iro irp irr m-o m-r mee mei mem men meo mep mer mi- mie mii mim min mio mip mir mme mmi mmm mmn mmo mmp mmr mne mni mnm mnn mno mnp mnr moe moi mom mon moo mop mor mpe mpi mpm mpn mpo mpp mpr mre mri mrm mrn mro mrp mrr n-i ne- nee nei nem nen neo nep ner nie nii nim nin nio nip nir nme nmi nmm nmn nmo nmp nmr nne nni nnm nnn nno nnp no- noe noi nom non noo nop nor npe npi npm npn npo npp npr nre nri nrm nrn nro nrp nrr o-i oee oei oem oen oeo oep oer oie oii oim oin oio oip oir om- ome omi omm omn omo omp omr on- one oni onn ono onp onr oo- ooi oom oon ooo oop oor op- ope opi opm opn opo opp opr or- ore ori orm orn oro orp orr p-p pee pei pem pen peo pep per pie pii pim pin pio pip pir pme pmi pmm pmn pmo pmp pmr pn- pne pni pnm pnn pno pnp pnr poe poi pom pon poo pop por ppe ppi ppm ppn ppo ppp ppr pre pri prm prn pro prp prr re- ree rei rem ren reo rep rer rie rii rim rin rio rip rir rme rmi rmm rmn rmo rmp rmr rni rnm rnn rno rnp rnr roe roi rom ron roo rop ror rpe rpi rpm rpn rpo rpp rpr rri rrm rrn rrp rrr