-er -up eee eel eem eep eer eet eex eie eii eil eim eip eir eit eiu eix ele eli ell elm elp elr elt elu elx em- eme emi eml emm emp emr emt emu emx ep- epe epi epl epm epp epr ept epu epx ere eri erl erm erp err ert eru ete eti etl etm etp etr ett etu etx eu- eue eui eul eup eur eut eux ex- exe exi exl exp exr ext exu exx ie- iee iei iel iem iep ier iet iex iie iii iil iim iip iir iit iiu iix il- ile ili ill ilm ilp ilr ilt ilu ilx im- ime imi iml imm imp imt imu imx ipe ipi ipl ipm ipp ipr ipt ipu ipx ir- ire iri irl irm irp irr irt iru irx ite iti itl itm itp itt itu itx iu- iue iui ium iup iur iut ixe ixi ixl l-p lee lei lel lem lep ler let leu lex lie lii lil lim lip lir lit liu lix lle lli lll llm llp llr llt llu lme lmi lml lmm lmp lmr lmt lmu lpe lpi lpl lpm lpp lpr lpt lpu lpx lri lrm lrp lrr lrt lru lte lti ltl ltm ltp ltr ltt ltu ltx lue lui lul lum lup lur lut luu lux lxi lxr lxx m-r mee mei mel mem mep mer met meu mex mi- mie mii mil mim mip mir mit miu mix mle mli mll mlm mlp mlr mlt mlu mlx mme mmi mml mmm mmp mmr mmt mmu mmx mpe mpi mpl mpm mpp mpr mpt mpu mpx mre mri mrl mrm mrp mrr mrt mru mrx mte mti mtl mtm mtp mtr mtt mtu mtx mue mui mul mum mup mur mut muu mux mxi mxl mxp mxr mxu p-p pee pei pel pem pep per pet peu pex pie pii pil pim pip pir pit piu pix ple pli pll plm plp plr plt plu plx pme pmi pml pmm pmp pmr pmt pmu pmx ppe ppi ppl ppm ppp ppr ppt ppu ppx pre pri prl prm prp prr prt pru prx pt- pte pti ptl ptm ptp ptr ptt ptu ptx pue pui pul pum pup pur put puu pxe pxl pxm pxr pxt re- ree rei rel rem rep rer ret reu rex rie rii ril rim rip rir rit rix rle rli rll rlm rlp rlr rlt rlu rme rmi rml rmm rmp rmr rmt rmx rpe rpi rpl rpm rpp rpr rpt rpu rpx rri rrl rrm rrp rrr rrt rru rte rti rtl rtm rtp rtr rtt rtu rtx rue rui rum rup rur rut ruu rux rxp rxr t-x te- tee tei tel tem tep ter tet teu tex tie tii til tim tip tir tit tiu tix tle tli tll tlm tlp tlr tlt tlu tlx tme tmi tml tmm tmp tmr tmt tmu tmx tpe tpi tpl tpm tpp tpr tpt tpu tpx tre tri trl trm trp trr trt tru trx tte tti ttl ttm ttp ttr ttt ttu ttx tue tui tul tum tup tur tut tuu tux txe txi txl txt txu uee uei uel uem uep uer uet uie uii uil uim uip uir uit uiu ule uli ull ulm ulp ulr ult ulu um- ume umi uml umm ump umr umt umu up- upe upi upm upp upr upt upu upx ur- ure uri url urm urp urr urt uru urx ute uti utl utm utp utr utt utu utx uue uum uur uut uuu uxr uxt uxu xee xel xem xep xer xet xeu xex xie xii xit xiu xix xli xlm xlr xlt xmi xml xmm xmp xmr xmt xmu xmx xpe xpl xpm xpp xpt xrt xrx xti xtm xtp xtr xtx xue xui xul xup xxi xxl xxp xxx