eeee eeke eiei eier eike eiki eipr eire ekek eker ekki ekpe epee eper epi- epie epik epip eppp eprp erei erer erev erie erik erke erki erpe erre erve ervi ever evie evir evre evvk ieie iere ieri iiie iiii ikee iker ikki ikri ipek iper ipie ippr ipri iree irer iri- irie irip irki irpe irre irri iver ivie ivre keek keep keer keii keik keir keke keki kep- kepe kepi ker- kere keri kerk kerp kerr kerv keve kevi kier kiev kiii kiik kiip kiki kikk kikr kip- kipe kipi kipp kipr kiri kirk kirp kirr kirv kive kivi kkik kkkk kkpk kkre kkrk kkrr kkrv kkvr kkvv kpek kper kpir kpke kpkk kpkr kppk kppp kppr kppv kpre kpri kprk kprp kprr kprv kpvr kree krei krek krev krik kriv krke krki krkk krkr krkv krpi krpr krre krri krrk krrr krve krvi krvk krvr krvv kver kvie kvik kvip kvir kviv kvpi kvre kvri kvrp kvrr kvrv kvvp kvvr kvvv peek peep peer peev peip peir peke peki pekk pepe pepi per- pere peri perk perp perr perv piep pier piip pike piki pikk pipe pipi pipp pire piri pirk pirr pper ppie pppp pre- pree prek prep prev pri- prie prii priv prri reek reep reev reii reik reir reke reki repe repi repp repr rere reri reve revi revp riek riep rier rike riki rikk ripe ripi ripp ripr rire riri rive rivp rpii rrrr rver rvik veep veer veie veii veik veip veir veke vepe vepr ver- vere veri verk veve vevi vier viii viik vike viki vipr vire viri virk virr vive vivi vver vvvv