-ey a-a a-b a-i aaa aab aae aai aan aao aas aay ab- aba abb abe abi abn abo abs aby aea aeb aee aei aen aeo aes aey ai- aia aib aie aii ain aio ais aiy an- ana anb ane ani ann ano ans any aoa aob aoe aoi aon aoo aos as- asa asb ase asi asn aso ass asy ay- aya aye ayi ayn ayo ays baa bab bae bai ban bao bas bay bba bbb bbe bbi bbn bbo bbs bby be- bea beb bee bei ben beo bes bey bi- bia bib bie bii bin bio bis biy bna bnb bne bni bnn bno bns boa bob boe boi bon boo bos boy bsa bsb bse bsi bsn bso bss bsy by- bya bye byi byn byo bys eaa eab eae eai ean eao eas eba ebb ebe ebi ebn ebo ebs eby eea eeb eee een eeo ees eey eia eib eie eii ein eio eis en- ena enb ene eni enn eno ens eny eo- eoa eob eoe eoi eon eoo eos es- esa esb ese esi esn eso ess esy eya eye eyn eyo eys ia- iaa iab iae iai ian iao ias iba ibb ibe ibi ibn ibo ibs iby ie- iea iee iei ien ies iey iia iib iie iii iin iio iis in- ina inb ine ini inn ino ins iny io- ioa iob ioe ioi ion ioo ios is- isa isb ise isi isn iso iss isy iya iye iyo iys iyy n-i naa nab nae nai nan nao nas nay nba nbb nbe nbi nbn nbo nbs ne- nea neb nee nei nen neo nes ney nia nib nie nii nin nio nis nna nnb nne nni nnn nno nns no- noa nob noe noi non noo nos noy nsa nsb nse nsi nsn nso nss nsy nya nye nyn nyo nys nyy o-i oaa oab oae oai oan oao oas ob- oba obb obe obi obn obo obs oby oea oeb oee oei oen oeo oes oey oia oib oie oii oin oio ois on- ona onb one oni onn ono ons ony oo- ooa oob ooi oon ooo oos os- osa osb ose osi osn oso oss oya oye oyi oyo oys saa sab sae sai san sao sas say sba sbb sbe sbi sbn sbo sbs sby se- sea seb see sei sen seo ses sey sia sib sie sii sin sio sis sna snb sne sni snn sno sns sny soa sob soe soi son soo sos soy ss- ssa ssb sse ssi ssn sso sss sy- sya syb sye syi syn sys yaa yab yae yai yan yao yas yay ybe ybi ybs yby yea yeb yee yei yen yeo yes yey yie yii yin yio yis yna yne ynn yns yny yob yoe yoi yon yoo yos yoy ysa ysb yse ysi yso yss ysy yyb yye yys yyy