-er -up eee eel eem eep eer eie eii eil eim eip eir eiu ele eli ell elm elp elr elu em- eme emi eml emm emp emr emu ep- epe epi epl epm epp epq epr epu eqe eqp eqq equ ere eri erl erm erp erq err eru eu- eue eui eul eup eur ie- iee iei iel iem iep ier iie iii iil iim iip iir iiu il- ile ili ill ilm ilp ilq ilr ilu im- ime imi iml imm imp imu ipe ipi ipl ipm ipp ipr ipu iqe iqu ir- ire iri irl irm irp irq irr iru iu- iue iui ium iup iur l-p lee lei lel lem lep leq ler leu lie lii lil lim lip liq lir liu lle lli lll llm llp llq llr llu lme lmi lml lmm lmp lmq lmr lmu lpe lpi lpl lpm lpp lpr lpu lqr lri lrm lrp lrr lru lue lui lul lum lup lur luu m-r mee mei mel mem mep meq mer meu mi- mie mii mil mim mip miq mir miu mle mli mll mlm mlp mlq mlr mlu mme mmi mml mmm mmp mmr mmu mpe mpi mpl mpm mpp mpq mpr mpu mqi mql mqp mqr mre mri mrl mrm mrp mrq mrr mru mue mui mul mum mup mur muu p-p pee pei pel pem pep per peu pie pii pil pim pip piq pir piu ple pli pll plm plp plr plu pme pmi pml pmm pmp pmq pmr pmu ppe ppi ppl ppm ppp ppq ppr ppu pqi pqm pqq pqr pre pri prl prm prp prq prr pru pue pui pul pum pup pur puu qee qem qep qie qil qip qir qiu qlm qlp qme qmi qml qmp qmr qmu qpl qpm qpp qpr qqq qqu qre qri qrl qrm qrp qru qu- que qui qul qum qur re- ree rei rel rem rep req rer reu rie rii ril rim rip riq rir rle rli rll rlm rlp rlr rlu rme rmi rml rmm rmp rmq rmr rpe rpi rpl rpm rpp rpr rpu rqm rri rrl rrm rrp rrq rrr rru rue rui rum rup rur ruu uee uei uel uem uep uer uie uii uil uim uip uiq uir uiu ule uli ull ulm ulp ulr ulu um- ume umi uml umm ump umr umu up- upe upi upm upp upr upu ur- ure uri url urm urp urr uru uue uum uur uuu