-er eee eef eek eep eer ef- efe eff efi efp efr eie eif eii eik eip eir eke ekf eki ekp ekr ep- epe epf epi epp epr ere erf eri erk erp err fee fef fei fek fep fer ffe fff ffi ffk ffp ffr fie fif fii fik fip fir fkf fki fkk fkp fpe fpi fpk fpp fpr fre frf fri frk frp frr i-f ie- iee ief iei iek iep ier ife iff ifi ifp ifr iie iif iii iip iir ike ikf iki ikk ikr ipe ipf ipi ipp ipr ir- ire irf iri irk irp irr ke- kee kef kei kek kep ker kff kfi kie kif kii kik kip kir kke kki kkk kkp kkr kpe kpf kpi kpk kpp kpr krf kri krk krp krr p-p pee pef pei pek pep per pfe pff pfi pfk pfp pfr pie pif pii pik pip pir pke pkf pki pkp pkr ppe ppf ppi ppk ppp ppr pre prf pri prk prp prr re- ree ref rei rek rep rer rfe rff rfi rfk rfp rfr rie rif rii rik rip rir rke rkf rkk rkp rpe rpf rpi rpk rpp rpr rrf rri rrk rrp rrr

eeee eefe eeke effi efik efke eiei eier eike eiki eipr eire ekek eker ekki ekpe epee eper epi- epie epik epip eppp eprp erei erer erie erik erke erki erpe erre f--k feek feer fefe feff fefi feie feir feke fere ferk ferr ffee ffff ffii ffrr fief fier fife fiff fifi fiii fike fiki fipp fire firk fprf free frei frep frie frik frip ieie iere ieri ifer ifrf ifri iiie iiii iipf ikee iker ikki ikri ipek iper ipie ipkf ippf ippr ipri iree irer irfe iri- irie irip irki irpe irre irri keef keek keep keer keff kefr keif keii keik keir keke keki kep- kepe kepi ker- kere kerf keri kerk kerp kerr kfer kfff kffk kfir kfpr kfre kfri kfrp kfrr kief kier kife kiff kifr kiii kiik kiip kikf kiki kikk kikr kip- kipe kipi kipp kipr kirf kiri kirk kirp kirr kkfi kkfr kkik kkkk kkpk kkre kkrf kkrk kkrr kpek kper kpfk kpfr kpif kpir kpke kpkk kpkr kppk kppp kppr kpre kprf kpri kprk kprp kprr kree kref krei krek krfe krff krfp krik krke krki krkk krkr krpi krpr krre krrf krri krrk krrr peek peep peer peff peip peir peke peki pekk pepe pepi per- pere perf peri perk perp perr pfff pffr pfkp piep pier piff piip pike piki pikk pipe pipi pipp pire piri pirk pirr pper ppie ppif pppp pprf pre- pree pref prek prep pri- prie prif prii prri reef reek reep refe reff refi refr reif reii reik reir reke reki repe repi repp repr rere reri rfef rief riek riep rier rife riff riif rike riki rikk ripe ripi ripp ripr rire riri rkkf rpii rrif rrrr

eeeee eepee eerie eerik efere eferi effer effie efrei eiker eipri eirie ekker eppie erere erier eriff erkki feere feier ferie ferik ferr- ferre ferri fieee fieri fierk fifer fifie fikie fikri firee firei firer firie firre freei freek freep freer freik freir freke frere frier frike fripp ieiri iepe ieper ierei if-- ifere iiiee iiiii ikeep ikire iperf ippee ippei iriki irker irrep k-p-r keefe keepe keere keeri kefee keffi kefir keiki keipi keire keiri kekri kepie keppe kerei kerek kerep kerie kerik kerre kerri kfeir kieke kifri kiiki kikki kipke kirfi kirie kirke kirki kirpi kirre kreef kreek kreep kreke kreki krepe kriek krier krike p-rep peeke peere peeri pefki peire pekre pepee peppe peppi perer peri- perie perke perki perre perri piere pieri pierk piiri piker pikke piper pippi pipri pirie pirke pirre pirri pre-k preef preff preie preif preik preke preki prief prier prife reefe reepe reere refer reffe reiek reiff reike reiki rekke reppe rere- reree rerik rerip rerir ri-fi riefe rifer riife rikei riker rikki riper rippe ririe rperf rripe

eerier effeir effere er-rif feerie feifer feirie ferfer ferier ferrer ferri- ferrie fiefie freepr frefre freire i-free iffier ikkeri ipfire keefer keeffe keeker keeper keerie keifer kepier kepper kereki kerker kerrie kerrik kiefer kiekie kierie kikiki kikkik kipper kiriri kirker kreeri kreipe kreker krepki kripik kripke peeker peekie peepee peeper peerer peerie peffer peiere peiper pepper perere perier perire perper perree perrie piefke pieper pierie pierik pierre pierri piffer pikeir pikker pikkie piperi pipier pipipi pipiri pipper pippip piree pirker pirrie pirrip pppppp prefer preffe preier preiff preire priefe priere priffe pripek prkrir reefer reeffe reeker reeper refeff refire refrei reikie rekrei repier repike repipe repkie repper repref reprie rieker riffer rififi ripier ripper

epierre ferrere ferrier fie-fie fierier freeppp freerip freprie fripier fripper iprefer iririki kee-kee kerrier kie-kie kieffer kif-kif kreeker kri-kri krieker pee-pee peepier peiffer peirrie peperek peppier pereire periere perkier perrier pfeffer pfeifer pfieffe pierrie pip-pip preferr preffer prefire preiere prepere prepper preppie reekier referee referer reifier repreef reprefe repreif reprief reprife rerefer riffier rippier

e-i-e-i- ferriere i-ii-iii kerikeri kierikki kipperer peeppeep pepperer perierer periperi perperek perrerer pfeiffer pikipiki pipiriki pippiree piripiri preferee preferer preppier referree referrer repriefe rerefief rierreef

eerieerie fire-pike free-fire fripperer ipreferpi keek-keek pepperier perrierie pierrerie piri-piri preferree preferrer repe-refe rere-fief

pip-pip-pip