b-u bbb bbd bbe bbi bbo bbu bdb bdd bde bdi bdo bdu be- beb bed bee bei beo beu bi- bib bid bie bii bio biu bob bod boe boi boo bou bub bud bue bui buo buu dbb dbd dbe dbi dbo dbu ddb ddd dde ddi ddo ddu de- deb ded dee dei deo deu di- dib did die dii dio diu dob dod doe doi doo dou dub dud due dui duo ebb ebd ebe ebi ebo ebu ed- edb edd ede edi edo edu eeb eed eee eeo eib eid eie eii eio eiu eo- eob eod eoe eoi eoo eou eu- eub eud eue eui i-d ibb ibd ibe ibi ibo ibu idb idd ide idi ido idu ie- ied iee iei iib iid iie iii iio iiu io- iob iod ioe ioi ioo iou iu- iub iud iue iui o-i ob- obb obd obe obi obo obu odb odd ode odi odo odu oeb oed oee oei oeo oib oid oie oii oio oiu oo- oob ood ooi ooo ou- oud oue oui ouo ubb ube ubi ubo ubu udb udd ude udi udo udu ueb ued uee uei uib uid uie uii uio uiu uob uod uoe uoo uue uuu