-ey a-a a-b a-i aaa aab aae aai aan aas aay ab- aba abb abe abi abn abs aby aea aeb aee aei aen aes aey ai- aia aib aie aii ain ais aiy an- ana anb ane ani ann ans any as- asa asb ase asi asn ass asy ay- aya aye ayi ayn ays baa bab bae bai ban bas bay bba bbb bbe bbi bbn bbs bby be- bea beb bee bei ben bes bey bi- bia bib bie bii bin bis biy bna bnb bne bni bnn bns bsa bsb bse bsi bsn bss bsy by- bya bye byi byn bys eaa eab eae eai ean eas eba ebb ebe ebi ebn ebs eby eea eeb eee een ees eey eia eib eie eii ein eis en- ena enb ene eni enn ens eny es- esa esb ese esi esn ess esy eya eye eyn eys ia- iaa iab iae iai ian ias iba ibb ibe ibi ibn ibs iby ie- iea iee iei ien ies iey iia iib iie iii iin iis in- ina inb ine ini inn ins iny is- isa isb ise isi isn iss isy iya iye iys iyy n-i naa nab nae nai nan nas nay nba nbb nbe nbi nbn nbs ne- nea neb nee nei nen nes ney nia nib nie nii nin nis nna nnb nne nni nnn nns nsa nsb nse nsi nsn nss nsy nya nye nyn nys nyy saa sab sae sai san sas say sba sbb sbe sbi sbn sbs sby se- sea seb see sei sen ses sey sia sib sie sii sin sis sna snb sne sni snn sns sny ss- ssa ssb sse ssi ssn sss sy- sya syb sye syi syn sys yaa yab yae yai yan yas yay ybe ybi ybs yby yea yeb yee yei yen yes yey yie yii yin yis yna yne ynn yns yny ysa ysb yse ysi yss ysy yyb yye yys yyy