-er -ey -ic a-a a-b a-c a-i aaa aab aac aae aai aan aar aay ab- aba abb abc abe abi abn abr aby ac- aca acb acc ace aci acn acr acy aea aeb aec aee aei aen aer aey ai- aia aib aic aie aii ain air aiy an- ana anb anc ane ani ann anr any ar- ara arb arc are ari arn arr ary ay- aya ayc aye ayi ayn ayr baa bab bac bae bai ban bar bay bba bbb bbc bbe bbi bbn bbr bby bca bcb bcc bce bci bcn bcr bcy be- bea beb bec bee bei ben ber bey bi- bia bib bic bie bii bin bir biy bna bnb bnc bne bni bnn bnr bra brb bre bri brn brr bry by- bya byc bye byi byn byr c-- caa cab cac cae cai can car cay cba cbb cbc cbe cbi cbn cbr cby cca ccb ccc cce cci ccn ccr ce- cea ceb cec cee cei cen cer cey ci- cia cib cic cie cii cin cir cn- cna cnb cnc cne cni cnn cnr cny cra crb crc cre cri crn crr cry cya cyb cyc cye cyn cyr eaa eab eac eae eai ean ear eba ebb ebc ebe ebi ebn ebr eby ec- eca ecb ecc ece eci ecn ecr eea eeb eec eee een eer eey eia eib eic eie eii ein eir en- ena enb enc ene eni enn enr eny era erb erc ere eri ern err ery eya eyc eye eyn eyr ia- iaa iab iac iae iai ian iar iba ibb ibc ibe ibi ibn ibr iby ica icb icc ice ici icn icr icy ie- iea iec iee iei ien ier iey iia iib iic iie iii iin iir in- ina inb inc ine ini inn inr iny ir- ira irb irc ire iri irn irr iry iya iyc iye iyr iyy n-i naa nab nac nae nai nan nar nay nba nbb nbc nbe nbi nbn nbr nca ncb ncc nce nci ncn ncr ne- nea neb nec nee nei nen ner ney nia nib nic nie nii nin nir nna nnb nnc nne nni nnn nra nrb nrc nre nri nrn nrr nry nya nyc nye nyn nyy ra- raa rab rac rae rai ran rar ray rba rbb rbc rbe rbi rbn rbr rca rcb rcc rce rci rcn rcr re- rea reb rec ree rei ren rer rey ria rib ric rie rii rin rir riy rna rnb rnc rni rnn rnr rny rra rrb rrc rri rrn rrr ry- rya ryc rye ryn ryr ryy yaa yab yac yae yai yan yar yay ybc ybe ybi ybr yby yca ycc yce yci ycy yea yeb yec yee yei yen yer yey yie yii yin yir yna yne ynn yny yra yrc yre yrn yyb yyc yye yyy