-er -ey -ic bbb bbc bbe bbi bbn bbr bby bcb bcc bce bci bcn bcr bcy be- beb bec bee bei ben ber bey bi- bib bic bie bii bin bir biy bnb bnc bne bni bnn bnr brb bre bri brn brr bry by- byc bye byi byn byr c-- cbb cbc cbe cbi cbn cbr cby ccb ccc cce cci ccn ccr ce- ceb cec cee cei cen cer cey ci- cib cic cie cii cin cir cn- cnb cnc cne cni cnn cnr cny crb crc cre cri crn crr cry cyb cyc cye cyn cyr ebb ebc ebe ebi ebn ebr eby ec- ecb ecc ece eci ecn ecr eeb eec eee een eer eey eib eic eie eii ein eir en- enb enc ene eni enn enr eny erb erc ere eri ern err ery eyc eye eyn eyr ibb ibc ibe ibi ibn ibr iby icb icc ice ici icn icr icy ie- iec iee iei ien ier iey iib iic iie iii iin iir in- inb inc ine ini inn inr iny ir- irb irc ire iri irn irr iry iyc iye iyr iyy n-i nbb nbc nbe nbi nbn nbr ncb ncc nce nci ncn ncr ne- neb nec nee nei nen ner ney nib nic nie nii nin nir nnb nnc nne nni nnn nrb nrc nre nri nrn nrr nry nyc nye nyn nyy rbb rbc rbe rbi rbn rbr rcb rcc rce rci rcn rcr re- reb rec ree rei ren rer rey rib ric rie rii rin rir riy rnb rnc rni rnn rnr rny rrb rrc rri rrn rrr ry- ryc rye ryn ryr ryy ybc ybe ybi ybr yby ycc yce yci ycy yeb yec yee yei yen yer yey yie yii yin yir yne ynn yny yrc yre yrn yyb yyc yye yyy