-ey bbb bbd bbe bbi bbk bbn bbo bbs bby bdb bdd bde bdi bdk bdo bds bdy be- beb bed bee bei bek ben beo bes bey bi- bib bid bie bii bik bin bio bis biy bkb bke bkk bkn bko bks bnb bnd bne bni bnk bnn bno bns bob bod boe boi bok bon boo bos boy bsb bsd bse bsi bsk bsn bso bss bsy by- byd bye byi byk byn byo bys dbb dbd dbe dbi dbk dbn dbo dbs dby ddb ddd dde ddi ddk ddn ddo dds ddy de- deb ded dee dei dek den deo des dey di- dib did die dii dik din dio dis diy dkb dke dki dkk dko dks dnb dnd dne dni dnk dnn dno dns dny dob dod doe doi dok don doo dos doy dsb dsd dse dsi dsk dsn dso dss dsy dy- dyb dyd dye dyk dyn dyo dys dyy ebb ebd ebe ebi ebk ebn ebo ebs eby ed- edb edd ede edi edk edn edo eds edy eeb eed eee eek een eeo ees eey eib eid eie eii eik ein eio eis ekb ekd eke eki eko eks eky en- enb end ene eni enk enn eno ens eny eo- eob eod eoe eoi eok eon eoo eos es- esb esd ese esi esk esn eso ess esy eyd eye eyn eyo eys i-d ibb ibd ibe ibi ibk ibn ibo ibs iby idb idd ide idi idk idn ido ids idy ie- ied iee iei iek ien ies iey iib iid iie iii iin iio iis ikb ike iki ikk iko iks in- inb ind ine ini ink inn ino ins iny io- iob iod ioe ioi ion ioo ios is- isb isd ise isi isk isn iso iss isy iye iyo iys iyy kbb kbd kbe kbi kbk kbn kbo kbs kdb kde kdk kdo kds kdy ke- keb ked kee kei kek ken keo kes key kib kid kie kii kik kin kio kis kkb kke kki kkk kkn kks kky kn- knd kne kni knk knn kno kob kod koe koi kok kon koo kos koy ksb ksd kse ksi ksk ksn kso kss kyd kye kyn kyo kys n-i nbb nbd nbe nbi nbk nbn nbo nbs ndb ndd nde ndi ndk ndn ndo nds ndy ne- neb ned nee nei nek nen neo nes ney nib nid nie nii nik nin nio nis nke nki nkk nkn nko nks nky nnb nne nni nnk nnn nno nns no- nob nod noe noi nok non noo nos noy nsb nsd nse nsi nsk nsn nso nss nsy nyd nye nyk nyn nyo nys nyy o-i ob- obb obd obe obi obk obn obo obs oby odb odd ode odi odn odo ods oeb oed oee oei oen oeo oes oey oib oid oie oii oik oin oio ois okb okd oke oki okk oko oks on- onb ond one oni onk onn ono ons ony oo- oob ood ooi ook oon ooo oos os- osb osd ose osi osk osn oso oss oyd oye oyi oyo oys sbb sbd sbe sbi sbk sbn sbo sbs sby sdb sdd sde sdi sdk sdn sdo sds sdy se- seb sed see sei sek sen seo ses sey sib sid sie sii sik sin sio sis sk- skb skd ske ski skk sko sks sky snb snd sne sni snk snn sno sns sny sob sod soe soi sok son soo sos soy ss- ssb ssd sse ssi ssk ssn sso sss sy- syb syd sye syi syk syn sys ybe ybi ybs yby yde ydn ydo yds ydy yeb yed yee yei yek yen yeo yes yey yid yie yii yin yio yis yki ykk ykn ynd yne ynk ynn yns yny yob yod yoe yoi yok yon yoo yos yoy ysb yse ysi ysk yso yss ysy yyb yye yys yyy