-er -up eee eek eep eer ees eie eii eik eip eir eis eiu eke eki ekp ekr eks eku ep- epe epi epp epr eps epu ere eri erk erp err ers eru es- ese esi esk esp esr ess esu eu- eue eui eup eur eus ie- iee iei iek iep ier ies iie iii iip iir iis iiu ike iki ikk ikr iks iku ipe ipi ipp ipr ips ipu ir- ire iri irk irp irr irs iru is- ise isi isk isp isr iss isu iu- iue iui iup iur ius ke- kee kei kek kep ker kes kie kii kik kip kir kis kiu kke kki kkk kkp kkr kks kku kpe kpi kpk kpp kpr kps kpu kri krk krp krr krs kru kse ksi ksk ksp ksr kss ksu kue kui kuk kup kur kus kuu p-p pee pei pek pep per pes peu pie pii pik pip pir pis piu pke pki pkp pkr pks pku ppe ppi ppk ppp ppr pps ppu pre pri prk prp prr prs pru ps- pse psi psk psp psr pss psu pue pui puk pup pur pus puu re- ree rei rek rep rer res reu rie rii rik rip rir ris rke rkk rkp rks rku rpe rpi rpk rpp rpr rps rpu rri rrk rrp rrr rrs rru rse rsi rsk rsp rsr rss rsu rue rui ruk rup rur rus ruu se- see sei sek sep ser ses seu sie sii sik sip sir sis siu sk- ske ski skk skp skr sks sku spe spi spk spp spr sps spu sr- sre sri srk srp srr srs ss- sse ssi ssk ssp ssr sss ssu sue sui suk sup sur sus suu uee uei uep uer ues uie uii uip uir uis uiu uke uki ukk ukp ukr uku up- upe upi upk upp upr ups upu ur- ure uri urk urp urr urs uru use usi usk usp usr uss usu uue uur uus uuu

eeee eees eeke eeks eeps eers eese eesi eesk eiei eier eies eike eiki eiks eipr eire eirs eise eisk eiss ekek eker ekes ekis ekki ekpe eksi ekur epee eper epes epi- epie epik epip epis eppp epps eprp eprs epsi epsp epss epus erei erer eres erie erik eris eriu erke erki erks erpe erps erre errs erse ersi erur erus esee esek eser eses esie esik esis eske esks esku espe espi espp esps esri esse essi essp essu esui esus euer eur- eure euse ieie iere ieri iers iesi iesr iesu iies iiie iiii iiis iirs iisi iisp iisr iisu ikee iker ikes ikki ikri iksu ikue ipek iper ipes ipie ippr ipri ipse ipsi ipsp ipss ipur ipus iree irer ires iri- irie irip iris irki irks irpe irps irre irri irrs irse irsp irus isee isep iser ises isie isis isku ispe ispr isps isri isrp isse issi issp issr isss issu isup isus iuiu iupp iuse iuss keek keep keer kees keii keik keir keis keke keki keks keku kep- kepe kepi keps kepu ker- kere keri kerk kerp kerr kers keru kesi kesk kesp kesr kess keup keur keus kier kies kieu kiii kiik kiip kiis kiiu kiki kikk kikr kiku kip- kipe kipi kipp kipr kips kipu kiri kirk kirp kirr kirs kiru kise kisi kisk kisr kiss kisu kiup kiur kiuu kkik kkkk kkpk kkps kkre kkrk kkrr kkrs kkse kksi kksp kksr kkss kksu kkup kkus kkuu kpek kper kpir kpke kpkk kpkr kppk kppp kppr kpre kpri kprk kprp kprr kprs kpru kpsi kpsp kpsu kpur kpus kree krei krek kres kreu krik kris krke krki krkk krkr krks krku krpi krpr krps krpu krre krri krrk krrr krrs krse krsk krsr krss krsu krue krui kruk krup krur ksee ksei ksek ksep kser ksii ksik ksip ksir ksis kske kskk kskr ksks ksku kspe kspi kspk kspr ksps ksrp ksrr ksrs ksse kssi kssr ksss kssu ksue ksui ksup ksuu kuei kuek kues kueu kuie kuik kuke kuki kukk kuks kuku kupe kupr kups kupu kure kuri kurk kurr kurs kuru kusp kusu kuuk kuur kuuu peek peep peer pees peip peir peis peke peki pekk pepe pepi peps per- pere peri perk perp perr pers peru pese pesi pess pesu peur piep pier pies piip pike piki pikk piks piku pipe pipi pipp pips pire piri pirk pirr pirs piru pise pisi pisk piss pisu pius pper ppie pppp ppps ppru ppss ppur pre- pree prek prep pres preu pri- prie prii pris prps prri prrs prse prsi prss prue prus pruu psei psip psis pspi pspp pspr psps psrk psrp psse pu-e puer pueu puir puis puiu puke puki puku pupe pupi pups pupu pur- pure puri purp purr purs puru pusi pusk puss reek reep rees reii reik reir reis reiu reke reki reks repe repi repp repr reps repu rere reri rers reru rese resi resp ress reue reuk reup reus reuu riek riep rier ries rieu riis rike riki rikk riku ripe ripi ripp ripr rips rire riri rirs rise risi risk risp riss risu riue rius rkss rpii rpps rrrr rrsp rsee rsis rspk rsps rsre ruer rues ruis ruke ruki rukk ruku rupe rupp rure ruri rurp rurs ruru ruse rusi rusk russ rusu s-ii se-e se-i se-k se-s se-u seek seep seer sees seeu seie seii seik seip seir seis seiu seke seki sekk seku sepe sepi sepp sepr seps sepu sere seri serk serp serr sers seru sese sesi sess seui seur siek sier sies siik sike siki sikr siks siku sipe sipi sipp sips sire siri sirk sirp sirr sirs siru sise sisi sisk siss sisu siue siui sius skee skei skep sker skes skie skik skip skir skis skiu skss skue skui skup skur spee spek sper spes spie spik spip spir spis spke spkr spps spri sprs spse spsp spss spue spui spur spus sres sris srps srsp ssee ssep