-er eee eel eem eep eer eet eie eii eil eim eip eir eit ele eli ell elm elp elr elt em- eme emi eml emm emp emr emt ep- epe epi epl epm epp epr ept ere eri erl erm erp err ert ete eti etl etm etp etr ett ie- iee iei iel iem iep ier iet iie iii iil iim iip iir iit il- ile ili ill ilm ilp ilr ilt im- ime imi iml imm imp imt ipe ipi ipl ipm ipp ipr ipt ir- ire iri irl irm irp irr irt ite iti itl itm itp itt l-p lee lei lel lem lep ler let lie lii lil lim lip lir lit lle lli lll llm llp llr llt lme lmi lml lmm lmp lmr lmt lpe lpi lpl lpm lpp lpr lpt lri lrm lrp lrr lrt lte lti ltl ltm ltp ltr ltt m-r mee mei mel mem mep mer met mi- mie mii mil mim mip mir mit mle mli mll mlm mlp mlr mlt mme mmi mml mmm mmp mmr mmt mpe mpi mpl mpm mpp mpr mpt mre mri mrl mrm mrp mrr mrt mte mti mtl mtm mtp mtr mtt p-p pee pei pel pem pep per pet pie pii pil pim pip pir pit ple pli pll plm plp plr plt pme pmi pml pmm pmp pmr pmt ppe ppi ppl ppm ppp ppr ppt pre pri prl prm prp prr prt pt- pte pti ptl ptm ptp ptr ptt re- ree rei rel rem rep rer ret rie rii ril rim rip rir rit rle rli rll rlm rlp rlr rlt rme rmi rml rmm rmp rmr rmt rpe rpi rpl rpm rpp rpr rpt rri rrl rrm rrp rrr rrt rte rti rtl rtm rtp rtr rtt te- tee tei tel tem tep ter tet tie tii til tim tip tir tit tle tli tll tlm tlp tlr tlt tme tmi tml tmm tmp tmr tmt tpe tpi tpl tpm tpp tpr tpt tre tri trl trm trp trr trt tte tti ttl ttm ttp ttr ttt

eeee eele eete eiei eier eile eime eimi eipr eire eiti eitm eitr el-p elee elem eler elet elie elil elim elit elle elli elme elml elpe elpi elte emel emer emet emii emil emim emir emit emle emlm emme emmi emml empe empi empt emre emte emtp epee eper epi- epie epil epip epit eple epll eppp eprp epte erei erel erem erer eret erie eril erim erit erle erli erll erme erpe erre ertl etee etel etem eter etim etre etrm ette etti ieet ieie iele ieme iere ieri ietm iett iiie iiii iiit iipm iitm iitr iitt ile- iler ilet ilie ilir ilit ill- ille illi illp illt ilme ilmr ilpe ilpr ilre ilrm imel imep imer imet imir imit imli imlp imme immi immt impi impl impr impt imre imri imrr iper ipet ipie ipil ipmi ipmp ippr ipri iree irel irem irer iri- irie iril irip irpe irre irri irte irti irtp itel item itep iter itet itie itil itim itll itme itri leel leem leep leer leet leie leil leir leit lele leli lell leme lemi lemm lemp lepe lepi lepp lept lere lerm lerp lert lete leti lett liel liep lier liet liii liir lile lili lill lilt lime limi liml limm limp lip- lipe lipi lipl lipp lire liri lirl lirp lirr lirt lite liti litl litr litt llet llll lmii lmmr lppl lprp lrmt lrrr ltee lttr meel meem meep meer meet meil meir meit mel- mele meli mell melt meme meml memr mepe mer- mere meri merl merm merp mert met- mete meti mett miee miel miem miep mier miet miii miit mile mili mill milr milt mim- mime mimi mimp mipi mipr mipt mire miri mirl mirr mirt mit- mite miti mitm mitt mlii mlit mlle mltr mmii mmli mmlp mmmm mmpi mmpr mmrp mpie mpir mpit mplm mppe mppp mpri mprp mptp mree mrml mrtm mrtt mtel mtep mtle mtre mtrl mtrr mttr peel peep peer peet peil peip peir peit pel- pele pell pelm pelt pemt pepe pepi per- pere peri perl perm perp perr pert pete peti petr pett piel piem piep pier piet piip pil- pile pili pill pilm pilt pime pimi pimp pimt pipe pipi pipp pire piri pirl pirr pite piti pitr pitt ple- plee plei plet plie plim plip plit plpp plri pltt pmel pmip pmle pmmp pmpm pmrt pper ppie pple ppli ppml pppp pprm pptt pre- pree prel prem prep pret pri- prie prii prim prle prlr prri prrm prti prtm prtp prtr pter ptmp reel reem reep reet reii reil reim reir reit rele rell relm relp relt reme remi remp repe repi repl repp repr rept rere reri rert rete reti retr rett riel riem riep rier riet rile rill rilp rime rimi rimm ripe ripi ripl ripp ripr ript rire riri rite riti ritl ritt rlee rlml rmll rmrp rpet rpii rrle rrmp rrrr rtee rtei rtle rtlt rtmi rtml rtmp rttp teel teem teer teet teie teil teim teip teir tel- tele teli tell telt teme temp tepe tepi tepp ter- tere teri term terp terr tete teti tetr tett tie- tiee tiei tiel tiep tier tiet tiit tile till tilr tilt time timi timm timp tip- tipe tipi tipp tipt tire tiri tirl tirr tite titi titp titt tlli tmep tmil tmtt tper tpir tpmt tppp tppr tpte tptp tptr tre- tree trei trem tret tri- trie tril trim trip trit trmi trml trpe trpm trpp trte trtr tter ttim ttml tttt

-tree eeeee eeler eepee eerie eetti eiler eilet eipri eirie eitel eiter eitri eleet elele eleme elemi eleri eliel elite ellel eller ellet ellie elmer elmet elpee elper emeer emele emeli emell emere emeri emerl emert emile emiri emirp emite emmer emmet emmie empee empel empte emtee emtel eppie eppml erem- erept erere erier erimi erite ermir ermit erpel erte ertel erter