b-u bbb bbe bbi bbo bbq bbt bbu be- beb bee bei beo beq bet beu bi- bib bie bii bio bit biu bob boe boi boo boq bot bou bqe bqt btb bte bti bto btq btt btu bub bue bui buo but buu ebb ebe ebi ebo ebq ebt ebu eeb eee eeo eet eib eie eii eio eit eiu eo- eob eoe eoi eoo eoq eot eou eqe eqq eqt equ etb ete eti eto ett etu eu- eub eue eui eut ibb ibe ibi ibo ibt ibu ie- iee iei iet iib iie iii iio iit iiu io- iob ioe ioi ioo iot iou iqe iqt iqu itb ite iti ito itq itt itu iu- iub iue iui iut o-i ob- obb obe obi obo obt obu oeb oee oei oeo oet oib oie oii oio oit oiu oo- oob ooi ooo oot oqb oqo ot- otb ote oti oto ott otu ou- oue oui ouo out qbe qbq qee qeo qet qie qio qit qiu qoi qoo qqq qqu qti qto qtq qu- que qui quo qut tbb tbe tbi tbo tbt tbu te- teb tee tei teo teq tet teu tib tie tii tio tit tiu to- tob toe toi too toq tot tou tqo ttb tte tti tto ttt ttu tub tue tui tuo tut tuu ubb ube ubi ubo ubt ubu ueb uee uei uet uib uie uii uio uiq uit uiu uob uoe uoo uot utb ute uti uto utt utu uue uut uuu