-er eee eek eem eep eer eet eie eii eik eim eip eir eit eke eki ekp ekr ekt em- eme emi emk emm emp emr emt ep- epe epi epm epp epr ept ere eri erk erm erp err ert ete eti etk etm etp etr ett ie- iee iei iek iem iep ier iet iie iii iim iip iir iit ike iki ikk ikr ikt im- ime imi imm imp imt ipe ipi ipm ipp ipr ipt ir- ire iri irk irm irp irr irt ite iti itk itm itp itt k-t ke- kee kei kek kem kep ker ket kie kii kik kim kip kir kit kke kki kkk kkm kkp kkr kkt kme kmi kmk kmm kmp kmt kpe kpi kpk kpm kpp kpr kpt kri krk krp krr krt kte ktk ktm ktp ktr ktt m-r mee mei mek mem mep mer met mi- mie mii mik mim mip mir mit mke mkk mkm mkp mkr mkt mme mmi mmk mmm mmp mmr mmt mpe mpi mpk mpm mpp mpr mpt mre mri mrk mrm mrp mrr mrt mte mti mtk mtm mtp mtr mtt p-p pee pei pek pem pep per pet pie pii pik pim pip pir pit pke pki pkm pkp pkr pkt pme pmi pmk pmm pmp pmr pmt ppe ppi ppk ppm ppp ppr ppt pre pri prk prm prp prr prt pt- pte pti ptk ptm ptp ptr ptt re- ree rei rek rem rep rer ret rie rii rik rim rip rir rit rke rkk rkm rkp rkt rme rmi rmm rmp rmr rmt rpe rpi rpk rpm rpp rpr rpt rri rrk rrm rrp rrr rrt rte rti rtk rtm rtp rtr rtt te- tee tei tek tem tep ter tet tie tii tik tim tip tir tit tke tkk tkm tkp tkr tkt tme tmi tmk tmm tmp tmr tmt tpe tpi tpk tpm tpp tpr tpt tre tri trk trm trp trr trt tte tti ttk ttm ttp ttr ttt

eeee eeke eete eiei eier eike eiki eime eimi eipr eire eiti eitm eitr ekek eker eket ekki ekpe emek emer emet emii emim emir emit emme emmi empe empi empt emre emte emtp epee eper epi- epie epik epip epit eppp eprp epte erei erem erer eret erie erik erim erit erke erki erme erpe erre etee etem eter etik etim etre etrm ette etti ieet ieie ieme iere ieri ietm iett iiie iiii iiit iipm iitm iitr iitt ikee iker ikki ikri imep imer imet imir imit imme immi immt impi impr impt imre imri imrr ipek iper ipet ipie ipmi ipmp ippr ipri iree irem irer iri- irie irip irki irpe irre irri irte irti irtp itek item itep iter itet itie itim itme itri keek keem keep keer keet keii keik keir keke keki keme kemi kemm kemp kemr kep- kepe kepi kept ker- kere keri kerk kerm kerp kerr kert ket- kete keti ketk ketp ketr kett kier kiii kiik kiip kiit kiki kikk kikr kikt kime kimi kimm kimp kimt kip- kipe kipi kipm kipp kipr kipt kiri kirk kirp kirr kirt kite kiti kitr kitt kkik kkim kkit kkkk kkmi kkmk kkmp kkmr kkmt kkpk kkpt kkre kkrk kkrr kkrt kktk kmei kmem kmer kmet kmit kmke kmkk kmkt kmme kmmk kmmm kmmr kmmt kmpi kmpr kmpt kmri kmrr kmti kmtk kmtp kmtr kmtt kpek kper kpet kpim kpir kpit kpke kpkk kpkr kpmi kpmp kpmr kppk kppp kppr kpre kpri kprk kprm kprp kprr kprt kpte kptm kptr kptt kree krei krek krem kret krik krim krit krke krki krkk krkr krme krmp krmr krmt krpi krpm krpr krpt krre krri krrk krrm krrr krrt krti krtk krtm krtr ktee ktek ktem ktep ktie ktik ktip ktke ktkk ktkr ktkt ktme ktmk ktmm ktmp ktmr ktmt ktpi ktpk ktpr ktpt ktre ktri ktrk ktrm ktrp ktrr ktrt ktti kttk kttp kttr kttt meek meem meep meer meet meik meir meit meke meki meme memr mepe mer- mere meri merk merm merp mert met- mete meti mett miee miek miem miep mier miet miii miit mike miki mikk mim- mime mimi mimp mipi mipr mipt mire miri mirk mirr mirt mit- mite miti mitm mitt mker mkie mmii mmmm mmpi mmpr mmrp mpie mpir mpit mpki mppe mppp mpri mprp mptp mree mrkr mrtm mrtt mtep mtre mtrr mttr peek peep peer peet peip peir peit peke peki pekk pemt pepe pepi per- pere peri perk perm perp perr pert pete peti petr pett piem piep pier piet piip pike piki pikk pikt pime pimi pimp pimt pipe pipi pipp pire piri pirk pirr pite piti pitr pitt pkmr pkmt pmip pmmp pmpm pmrt pper ppie pppp pprm pptt pre- pree prek prem prep pret pri- prie prii prim prri prrm prti prtm prtp prtr pter ptmp pttk reek reem reep reet reii reik reim reir reit reke reki rekt reme remi remp repe repi repp repr rept rere reri rert rete reti retr rett riek riem riep rier riet rike riki rikk rime rimi rimm ripe ripi ripp ripr ript rire riri rite riti ritt rmrp rpet rpii rrkm rrmp rrrr rtee rtei rtmi rtmp rttp teek teem teer teet teie teim teip teir teke teme temp tepe tepi tepp ter- tere teri terk term terp terr tete teti tetr tett tie- tiee tiei tiep tier tiet tiit tike tiki time timi timm timp tip- tipe tipi tipp tipt tire tiri tirr tite titi titp titt tkip tmep tmmk tmtt tper tpir tpke tpmt tppp tppr tpte tptp tptr tre- tree trei trek trem tret tri- trie trik trim trip trit trmi trmk trpe trpm trpp trte trtr tter ttim tttt

-tree eeeee eepee eerie eerik eetti eiker eimke eipri eirie eiter eitri ekker ekmek ekrem emeer emere emeri emerk emert emike emiri emirp emite emmer emmet emmie empee empik empte emtee emtek eppie erem- erept erere erier erikm erimi erite erkki ermir ermit erte erter eteke