-ene eeee eeke eent eete ekek eken eker eket ekne ekpe enee ener enke enkr enne enp- ent- ente entp entr epee epen eper eppp eprp epte eren erer eret erke erne erpe erre etee eten eter etne etnr etre ette ettn keek keen keep keer keet keke ken- kene kenk kenn kenr kent kep- kepe kepn kept ker- kere kerk kern kerp kerr kert ket- kete ketk ketp ketr kett kken kkkk kkne kknn kknt kkpk kkpn kkpt kkre kkrk kkrn kkrr kkrt kktk knee knek knen knep knet knkk knkt knnk knnr knpr knpt knrk knte kntk kntn kntr kpek kper kpet kpke kpkk kpkr kpne kpnp kpnt kppk kppp kppr kpre kprk kprn kprp kprr kprt kpte kptn kptr kptt kree krek kren kret krke krkk krkn krkr krne krnk krnn krnp krnt krpr krpt krre krrk krrn krrr krrt krtk krtn krtr ktee ktek kten ktep ktke ktkk ktkn ktkr ktkt ktne ktnk ktnn ktnt ktpk ktpr ktpt ktre ktrk ktrn ktrp ktrr ktrt kttk kttn kttp kttr kttt neen neep neer neet neke nene nent nepe nepr nept nere nerk nerr nert net- nete nett nknt nktr nnnn nnpr nntn nprt npte nptn nren nrpn nter nttr peek peen peep peer peet peke pekk pen- pene penk penn pent pepe per- pere perk pern perp perr pert pete petn petr pett pnet pnkp pnpp pntr ppen pper pppn pppp pptn pptt pre- pree prek pren prep pret prnp prtp prtr pten pter pttk reek reen reep reet reke rekt rene renk renn rent repe repp repr rept rere rert rete retr rett rnnt rntp rpet rppn rptn rrrr rtee rtkn rttp teek teen teer teet teke tene tenk tenn tenp tent tepe tepp ter- tere terk tern terp terr tete tetr tett tnpk tper tpke tppp tppr tpte tptp tptr tre- tree trek tren tret trpe trpn trpp trte trtr tten tter tttt