-er eee eek eel eep eer ees eie eii eik eil eip eir eis eke eki ekl ekp ekr eks ele eli elk ell elp elr els ep- epe epi epl epp epr eps ere eri erk erl erp err ers es- ese esi esk esl esp esr ess ie- iee iei iek iel iep ier ies iie iii iil iip iir iis ike iki ikk ikl ikr iks il- ile ili ilk ill ilp ilr ils ipe ipi ipl ipp ipr ips ir- ire iri irk irl irp irr irs is- ise isi isk isl isp isr iss ke- kee kei kek kel kep ker kes kie kii kik kil kip kir kis kke kki kkk kkl kkp kkr kks kl- kli klr kls kpe kpi kpk kpl kpp kpr kps kri krk krl krp krr krs kse ksi ksk ksl ksp ksr kss l-p lee lei lek lel lep ler les lie lii lik lil lip lir lis lkl lkp lkr lks lle lli llk lll llp llr lls lpe lpi lpk lpl lpp lpr lps lri lrk lrp lrr lrs lse lsi lsk lsl lsp lsr lss p-p pee pei pek pel pep per pes pie pii pik pil pip pir pis pke pki pkl pkp pkr pks ple pli plk pll plp plr pls ppe ppi ppk ppl ppp ppr pps pre pri prk prl prp prr prs ps- pse psi psk psl psp psr pss re- ree rei rek rel rep rer res rie rii rik ril rip rir ris rke rkk rkp rks rle rli rll rlp rlr rls rpe rpi rpk rpl rpp rpr rps rri rrk rrl rrp rrr rrs rse rsi rsk rsl rsp rsr rss se- see sei sek sel sep ser ses sie sii sik sil sip sir sis sk- ske ski skk skl skp skr sks sle sli slk sll slp slr sls spe spi spk spl spp spr sps sr- sre sri srk srl srp srr srs ss- sse ssi ssk ssl ssp ssr sss

eeee eees eeke eeks eele eels eeps eers eese eesi eesk eiei eier eies eike eiki eiks eile eipr eire eirs eise eisk eiss ekek eker ekes ekis ekki ekpe eksi el-p elee elek eler eles elie elik elil elis elke elki elks elle elli ells elpe elpi else epee eper epes epi- epie epik epil epip epis eple epll eppp epps eprp eprs epsi epsp epss erei erel erer eres erie erik eril eris erke erki erks erle erli erll erpe erps erre errs erse ersi esee esek esel eser eses esie esik esil esis eske esks esli eslp espe espi espp esps esri esse essi essl essp ieie iele iels iere ieri iers iesi iesr iies iiie iiii iiis iirs iisi iisp iisr ikee iker ikes ikki ikri ile- ilek iler iles ilie ilir ilis ilke ilki ilks ill- ille illi illp ills ilpe ilpr ilre ilse ipek iper ipes ipie ipil ippr ipri ipse ipsi ipsp ipss iree irel irer ires iri- irie iril irip iris irki irks irpe irps irre irri irrs irse irsp isee isel isep iser ises isie isil isis isle isls ispe ispr isps isri isrp isse issi issp issr isss keek keel keep keer kees keii keik keil keir keis keke keki kekl keks kele keli kelk kell kelp kep- kepe kepi keps ker- kere keri kerk kerl kerp kerr kers kesi kesk kesp kesr kess kiel kier kies kiii kiik kiip kiis kiki kikk kikr kile kili kilk kill kilp kilr kip- kipe kipi kipl kipp kipr kips kiri kirk kirp kirr kirs kise kisi kisk kisl kisr kiss kkik kkkk kkli kkll kkls kkpk kkpl kkps kkre kkrk kkrl kkrr kkrs kkse kksi kksp kksr kkss klee klek klep kler kles klik klil klip klir klis klkk klkl klkr klks klle kllk kllp klls klpi klpr klrk klrr klrs klse klsi klsr kpek kpel kper kpir kpke kpkk kpkl kpkr kplk kplr kppk kppl kppp kppr kpre kpri kprk kprl kprp kprr kprs kpsi kpsp kree krei krek kres krik kril kris krke krki krkk krkr krks krle krpi krpl krpr krps krre krri krrk krrl krrr krrs krse krsk krsl krsr krss ksee ksei ksek ksel ksep kser ksii ksik ksil ksip ksir ksis kske kskk kskr ksks ksle ksli kslk ksll kslr kspe kspi kspk kspl kspr ksps ksrp ksrr ksrs ksse kssi kssl kssr ksss leek leel leep leer lees leie leik leil leir leis leke leki lekk leks lele leli lell lepe lepi lepp leps lere lerk lerp lese lesk less liek liel liep lier lies liii liir liis like lile lili lill lils lip- lipe lipi lipl lipp lips lire liri lirk lirl lirp lirr lirs lise lisi lisk lisp liss lkrs lles llks llll llps lppl lprp lpss lrps lrrr lrse ls-r lses lspl lspr lssp lssr peek peel peep peer pees peil peip peir peis peke peki pekk pel- pele pell pels pepe pepi peps per- pere peri perk perl perp perr pers pese pesi pess piel piep pier pies piip pike piki pikk piks pil- pile pili pilk pill pils pipe pipi pipp pips pire piri pirk pirl pirr pirs pise pisi pisk piss pklr ple- plee plei plek ples plie plik plip plis plkk plpp plri plsi plss pper ppie pple ppli pppp ppps ppss pre- pree prek prel prep pres pri- prie prii pris prle prlr prls prps prri prrs prse prsi prsl prss psei psel psil psip psis pspi pspp pspr psps psrk psrp psse reek reel reep rees reii reik reil reir reis reke reki reks rele rell relp rels repe repi repl repp repr reps rere reri rers rese resi resp ress riek riel riep rier ries riis rike riki rikk rile rill rilp ripe ripi ripl ripp ripr rips rire riri rirs rise risi risk risp riss rkss rlee rlls rpii rpls rpps rrle rrrr rrsp rsee rsis rslp rspk rsps rsre rssl s-ii se-e se-i se-k se-s