-er eee eem eep eer eet eex eie eii eim eip eir eit eix em- eme emi emm emp emr emt emx ep- epe epi epm epp epr ept epx ere eri erm erp err ert ete eti etm etp etr ett etx ex- exe exi exp exr ext exx ie- iee iei iem iep ier iet iex iie iii iim iip iir iit iix im- ime imi imm imp imt imx ipe ipi ipm ipp ipr ipt ipx ir- ire iri irm irp irr irt irx ite iti itm itp itt itx ixe ixi m-r mee mei mem mep mer met mex mi- mie mii mim mip mir mit mix mme mmi mmm mmp mmr mmt mmx mpe mpi mpm mpp mpr mpt mpx mre mri mrm mrp mrr mrt mrx mte mti mtm mtp mtr mtt mtx mxi mxp mxr p-p pee pei pem pep per pet pex pie pii pim pip pir pit pix pme pmi pmm pmp pmr pmt pmx ppe ppi ppm ppp ppr ppt ppx pre pri prm prp prr prt prx pt- pte pti ptm ptp ptr ptt ptx pxe pxm pxr pxt re- ree rei rem rep rer ret rex rie rii rim rip rir rit rix rme rmi rmm rmp rmr rmt rmx rpe rpi rpm rpp rpr rpt rpx rri rrm rrp rrr rrt rte rti rtm rtp rtr rtt rtx rxp rxr t-x te- tee tei tem tep ter tet tex tie tii tim tip tir tit tix tme tmi tmm tmp tmr tmt tmx tpe tpi tpm tpp tpr tpt tpx tre tri trm trp trr trt trx tte tti ttm ttp ttr ttt ttx txe txi txt xee xem xep xer xet xex xie xii xit xix xmi xmm xmp xmr xmt xmx xpe xpm xpp xpt xrt xrx xti xtm xtp xtr xtx xxi xxp xxx

eeee eete eext eiei eier eime eimi eipr eire eiti eitm eitr emer emet emex emii emim emir emit emix emme emmi empe empi empt emre emte emtp epee eper epi- epie epip epit epix eppp eprp epte epxp er-x erei erem erer eret erie erim erit erme erpe erre etee etem eter etim etix etre etrm ette etti exer exim exit exmr expm expr expt exrx exte extr ieet ieie ieme iere ieri ietm iett iiie iiii iiit iipm iitm iitr iitt imep imer imet imir imit imix imme immi immt impi impr impt impx imre imri imrr iper ipet ipex ipie ipix ipmi ipmp ippr ipri ipxe iree irem irer irex iri- irie irip irix irpe irre irri irte irti irtp item itep iter itet itex itie itim itme itri ixxi meem meep meer meet meir meit meme memr memx mepe mer- mere meri merm merp mert met- mete meti mett mexx miee miem miep mier miet miii miit mim- mime mimi mimp mipi mipr mipt mire miri mirr mirt mit- mite miti mitm mitt mitx mixe mixi mixt mixx mmii mmix mmmm mmpi mmpr mmrp mmxi mmxx mpie mpir mpit mppe mppp mpri mprp mptp mree mrtm mrtt mtep mtre mtrr mttr mxii mxim mxit mxpx mxxi peep peer peet peip peir peit pemt pepe pepi per- pere peri perm perp perr pert pete peti petr pett piem piep pier piet piip pime pimi pimp pimt pipe pipi pipp pire piri pirr pite piti pitr pitt pitx pixx pmip pmmp pmpm pmrt pper ppie pppp pprm pptt pre- pree prem prep pret prex pri- prie prii prim prix prri prrm prti prtm prtp prtr pter ptmp reem reep reet reii reim reir reit reme remi remp repe repi repp repr rept rere reri rert rete reti retr rett rexx riem riep rier riet riex rime rimi rimm ripe ripi ripp ripr ript rire riri rite riti ritt rixe rmrp rpet rpii rpix rrmp rrrr rtee rtei rtex rtmi rtmp rttp teem teer teet teie teim teip teir teme temp tepe tepi tepp ter- tere teri term terp terr tete teti tetr tett tetx text tie- tiee tiei tiep tier tiet tiit time timi timm timp tip- tipe tipi tipp tipt tire tiri tirr tite titi titp titt tixt tmep tmtt tper tpir tpmt tppp tppr tpte tptp tptr tre- tree trei trem tret trex tri- trie trim trip trit trix trmi trpe trpm trpp trte trtr tter ttim tttt txii txtr xeer xeme xer- xert xexe xiii xipe xixi xmii xmpp xper xrep xtep xtie xxii xxix xxxi xxxx

-tree eeeee eepee eerie eetti eipri eirie eiter eitri emeer emere emeri emert emiri emirp emite emmer emmet emmie empee empte emtee eppie erem- erept erere erier erimi erite erixx ermir ermit erte erter etete etext etite etree etter ettie exeem exeme exept exert exite exmet exper exptr exter extre i-m-r ieiri iepe ieper ierei iette iiiee iiiii iitti imeem imeet immer immie immit immix impee impei imper impet impir imptr imrie ipeti ipiti ippee ippei iprex irete irime irimi irite irpex irrep irrit itete itext itire itrip itter ittre ittti m-rip meere meeri meete meier meire meiri meite meixi memer memex merei merer meret meri- merie merir merit merre merri merte merti meter metir metr- metre metri metrx mette metti mexer mi-mi mimee mimer mimet mimir mimmi mimpi mipep mipim mirer miret mirex mirie mirim mirre mirri mirti miter mitex mitie mitim mitre mitte mitti mixer mixie mixit mixte mixxx mmiii mmmmm mmpip mmxii mpiri mpret mprim mrmet mrpii mrpim mt-te mt-ti mt-tm mt-tp mt-tr mt-tt mtepe mtree mxiii p-rep peere peeri peert peete peire peirt peixe pemex pepee peppe peppi pept- perer peret peri- perie perim perit permi perre perri perte perti peter petie petit petr- petre petri pette petti pexip piere pieri piert piiri pimex piper pipet pipex pipit pippi pipri pirex pirie pirix pirre pirri piter pitie pitip pitre pitri pitti pixie ppxii preem preie preim preme premi premp prete preti prier priit prime primi primm primp prite priti pritt pter- ptere pteri ptime ptpre ptprm ptprr ptprt reeme reepe reere reeti reime remee