-ey b-u bbb bbd bbe bbi bbo bbt bbu bby bdb bdd bde bdi bdo bdt bdu bdy be- beb bed bee bei beo bet beu bey bi- bib bid bie bii bio bit biu biy bob bod boe boi boo bot bou boy btb btd bte bti bto btt btu bty bub bud bue bui buo but buu buy by- byd bye byi byo byt byu dbb dbd dbe dbi dbo dbt dbu dby ddb ddd dde ddi ddo ddt ddu ddy de- deb ded dee dei deo det deu dey di- dib did die dii dio dit diu diy dob dod doe doi doo dot dou doy dtb dtd dte dti dto dtt dtu dty dub dud due dui duo dut duy dy- dyb dyd dye dyo dyu dyy ebb ebd ebe ebi ebo ebt ebu eby ed- edb edd ede edi edo edt edu edy eeb eed eee eeo eet eey eib eid eie eii eio eit eiu eo- eob eod eoe eoi eoo eot eou etb etd ete eti eto ett etu ety eu- eub eud eue eui eut eyd eye eyo eyt i-d ibb ibd ibe ibi ibo ibt ibu iby idb idd ide idi ido idt idu idy ie- ied iee iei iet iey iib iid iie iii iio iit iiu io- iob iod ioe ioi ioo iot iou itb itd ite iti ito itt itu ity iu- iub iud iue iui iut iye iyo iyt iyy o-i ob- obb obd obe obi obo obt obu oby odb odd ode odi odo odt odu oeb oed oee oei oeo oet oey oib oid oie oii oio oit oiu oo- oob ood ooi ooo oot ot- otb otd ote oti oto ott otu ou- oud oue oui ouo out oyd oye oyi oyo tbb tbd tbe tbi tbo tbt tbu tdb tdd tde tdi tdo tdt tdu tdy te- teb ted tee tei teo tet teu tey tib tid tie tii tio tit tiu tiy to- tob tod toe toi too tot tou toy ttb ttd tte tti tto ttt ttu tty tub tud tue tui tuo tut tuu tuy tyd tye tyo tyt ubb ube ubi ubo ubt ubu uby udb udd ude udi udo udt udu ueb ued uee uei uet uey uib uid uie uii uio uit uiu uob uod uoe uoo uot utb utd ute uti uto utt utu uty uue uut uuu uyi uyo uyu ybe ybi yby yde ydo ydt ydy yeb yed yee yei yeo yet yey yid yie yii yio yit yob yod yoe yoi yoo yot you yoy ytd yte yto ytt ytu yud yue yui yuo yut yuu yuy yyb yye yyt yyu yyy