-er eee eek eel eem een eep eer eie eii eik eil eim ein eip eir eke eki ekl ekp ekr ele eli elk ell elm eln elp elr em- eme emi emk eml emm emn emp emr en- ene eni enk enl enm enn enp enr ep- epe epi epl epm epn epp epr ere eri erk erl erm ern erp err ie- iee iei iek iel iem ien iep ier iie iii iil iim iin iip iir ike iki ikk ikl ikr il- ile ili ilk ill ilm iln ilp ilr im- ime imi iml imm imn imp in- ine ini ink inl inm inn inp inr ipe ipi ipl ipm ipn ipp ipr ir- ire iri irk irl irm irn irp irr ke- kee kei kek kel kem ken kep ker kie kii kik kil kim kin kip kir kke kki kkk kkl kkm kkn kkp kkr kl- kli klm klr kme kmi kmk kml kmm kmp kn- kne kni knk knl knm knn knp knr kpe kpi kpk kpl kpm kpn kpp kpr kri krk krl krn krp krr l-p lee lei lek lel lem len lep ler lie lii lik lil lim lin lip lir lkl lkp lkr lle lli llk lll llm lln llp llr lme lmi lmk lml lmm lmn lmp lmr lne lni lnk lnl lnm lnn lnp lnr lpe lpi lpk lpl lpm lpn lpp lpr lri lrk lrm lrn lrp lrr m-r mee mei mek mel mem men mep mer mi- mie mii mik mil mim min mip mir mke mkk mkl mkm mkn mkp mkr mle mli mlk mll mlm mln mlp mlr mme mmi mmk mml mmm mmn mmp mmr mne mni mnk mnl mnm mnn mnp mnr mpe mpi mpk mpl mpm mpn mpp mpr mre mri mrk mrl mrm mrn mrp mrr n-i ne- nee nei nek nel nem nen nep ner nie nii nik nil nim nin nip nir nke nki nkk nkm nkn nkp nkr nle nli nlk nll nlm nln nlp nlr nme nmi nmk nml nmm nmn nmp nmr nne nni nnk nnl nnm nnn nnp npe npi npl npm npn npp npr nre nri nrk nrl nrm nrn nrp nrr p-p pee pei pek pel pem pen pep per pie pii pik pil pim pin pip pir pke pki pkl pkm pkn pkp pkr ple pli plk pll plm pln plp plr pme pmi pmk pml pmm pmn pmp pmr pn- pne pni pnk pnl pnm pnn pnp pnr ppe ppi ppk ppl ppm ppn ppp ppr pre pri prk prl prm prn prp prr re- ree rei rek rel rem ren rep rer rie rii rik ril rim rin rip rir rke rkk rkm rkp rle rli rll rlm rln rlp rlr rme rmi rml rmm rmn rmp rmr rni rnm rnn rnp rnr rpe rpi rpk rpl rpm rpn rpp rpr rri rrk rrl rrm rrn rrp rrr