-er -up eee eel een eep eer eie eii eil ein eip eir eiu ele eli ell eln elp elr elu en- ene eni enl enn enp enr enu ep- epe epi epl epn epp epr epu ere eri erl ern erp err eru eu- eue eui eul eun eup eur ie- iee iei iel ien iep ier iie iii iil iin iip iir iiu il- ile ili ill iln ilp ilr ilu in- ine ini inl inn inp inr inu ipe ipi ipl ipn ipp ipr ipu ir- ire iri irl irn irp irr iru iu- iue iui iup iur l-p lee lei lel len lep ler leu lie lii lil lin lip lir liu lle lli lll lln llp llr llu lne lni lnl lnn lnp lnr lnu lpe lpi lpl lpn lpp lpr lpu lri lrn lrp lrr lru lue lui lul lun lup lur luu n-i ne- nee nei nel nen nep ner neu nie nii nil nin nip nir niu nle nli nll nln nlp nlr nlu nne nni nnl nnn nnp nnu npe npi npl npn npp npr npu nre nri nrl nrn nrp nrr nru nue nui nul nun nup nur nuu p-p pee pei pel pen pep per peu pie pii pil pin pip pir piu ple pli pll pln plp plr plu pn- pne pni pnl pnn pnp pnr pnu ppe ppi ppl ppn ppp ppr ppu pre pri prl prn prp prr pru pue pui pul pun pup pur puu re- ree rei rel ren rep rer reu rie rii ril rin rip rir rle rli rll rln rlp rlr rlu rni rnn rnp rnr rnu rpe rpi rpl rpn rpp rpr rpu rri rrl rrn rrp rrr rru rue rui run rup rur ruu uee uei uel uen uep uer uie uii uil uin uip uir uiu ule uli ull uln ulp ulr ulu un- une uni unl unn unp unr unu up- upe upi upn upp upr upu ur- ure uri url urn urp urr uru uue uun uur uuu