-er -ey -ic bbb bbc bbe bbi bbk bbn bbr bby bcb bcc bce bci bck bcn bcr bcy be- beb bec bee bei bek ben ber bey bi- bib bic bie bii bik bin bir biy bkb bkc bke bkk bkn bkr bnb bnc bne bni bnk bnn bnr brb bre bri brk brn brr bry by- byc bye byi byk byn byr c-- cbb cbc cbe cbi cbk cbn cbr cby ccb ccc cce cci cck ccn ccr ce- ceb cec cee cei cek cen cer cey ci- cib cic cie cii cik cin cir ckb ckc cki cky cn- cnb cnc cne cni cnn cnr cny crb crc cre cri crk crn crr cry cyb cyc cye cyk cyn cyr ebb ebc ebe ebi ebk ebn ebr eby ec- ecb ecc ece eci eck ecn ecr eeb eec eee eek een eer eey eib eic eie eii eik ein eir ekb ekc eke eki ekr eky en- enb enc ene eni enk enn enr eny erb erc ere eri erk ern err ery eyc eye eyn eyr ibb ibc ibe ibi ibk ibn ibr iby icb icc ice ici ick icn icr icy ie- iec iee iei iek ien ier iey iib iic iie iii iin iir ikb ikc ike iki ikk ikr in- inb inc ine ini ink inn inr iny ir- irb irc ire iri irk irn irr iry iyc iye iyr iyy kbb kbc kbe kbi kbk kbn kbr kcb kcc kce kci kck kcn kcr ke- keb kec kee kei kek ken ker key kib kic kie kii kik kin kir kkb kkc kke kki kkk kkn kkr kky kn- knc kne kni knk knn knr krc kri krk krn krr kry kyc kye kyn kyr n-i nbb nbc nbe nbi nbk nbn nbr ncb ncc nce nci nck ncn ncr ne- neb nec nee nei nek nen ner ney nib nic nie nii nik nin nir nkc nke nki nkk nkn nkr nky nnb nnc nne nni nnk nnn nrb nrc nre nri nrk nrn nrr nry nyc nye nyk nyn nyy rbb rbc rbe rbi rbk rbn rbr rcb rcc rce rci rcn rcr re- reb rec ree rei rek ren rer rey rib ric rie rii rik rin rir riy rkb rkc rke rkk rky rnb rnc rni rnn rnr rny rrb rrc rri rrk rrn rrr ry- ryc rye ryk ryn ryr ryy ybc ybe ybi ybr yby ycc yce yci ycy yeb yec yee yei yek yen yer yey yie yii yin yir yki ykk ykn yne ynk ynn yny yrc yre yrn yyb yyc yye yyy