-er -ey eee eek een eeo eer eet eey eke eko ekr ekt eky en- ene enk enn eno enr ent eny eo- eoe eok eon eoo eor eot ere erk ern ero err ert ery ete etk etn eto etr ett ety eye eyn eyo eyr eyt k-t ke- kee kek ken keo ker ket key kke kkk kkn kkr kkt kky kn- kne knk knn kno knr knt koe kok kon koo kor kot koy krk krn kro krr krt kry kte ktk ktn kto ktr ktt kye kyn kyo kyr kyt ne- nee nek nen neo ner net ney nke nkk nkn nko nkr nkt nky nne nnk nnn nno nnt no- noe nok non noo nor not noy nre nrk nrn nro nrr nrt nry nte ntk ntn nto ntr ntt nye nyk nyn nyo nyt nyy oee oen oeo oer oet oey oke okk oko okr on- one onk onn ono onr ont ony oo- ook oon ooo oor oot or- ore ork orn oro orr ort ory ot- ote otk otn oto otr ott oye oyo re- ree rek ren reo rer ret rey rke rkk rko rkt rky rnn rno rnr rnt rny roe rok ron roo ror rot roy rrk rrn rrr rrt rte rtk rtn rto rtr rtt rty ry- rye ryk ryn ryo ryr ryy te- tee tek ten teo ter tet tey tke tkk tko tkr tkt tky tne tnk tnn tno tnr tnt to- toe tok ton too tor tot toy tre trk trn tro trr trt try tte ttk ttn tto ttr ttt tty tye tyn tyo tyr tyt yee yek yen yeo yer yet yey ykk ykn yne ynk ynn yny yoe yok yon yoo yor yot yoy yre yrn yro yrt yte ytk ytn yto ytr ytt yye yyt yyy