b-u bbb bbe bbi bbo bbq bbt bbu bbx be- beb bee bei beo beq bet beu bex bi- bib bie bii bio bit biu bix bob boe boi boo boq bot bou box bqe bqt btb bte bti bto btq btt btu btx bub bue bui buo but buu bux bxb bxi bxo bxq bxx ebb ebe ebi ebo ebq ebt ebu ebx eeb eee eeo eet eex eib eie eii eio eit eiu eix eo- eob eoe eoi eoo eoq eot eou eqe eqq eqt equ etb ete eti eto ett etu etx eu- eub eue eui eut eux ex- exe exi exo ext exu exx ibb ibe ibi ibo ibt ibu ibx ie- iee iei iet iex iib iie iii iio iit iiu iix io- iob ioe ioi ioo iot iou iqe iqt iqu itb ite iti ito itq itt itu itx iu- iub iue iui iut ixe ixi o-i ob- obb obe obi obo obt obu obx oeb oee oei oeo oet oex oib oie oii oio oit oiu oo- oob ooi ooo oot oox oqb oqo ot- otb ote oti oto ott otu ou- oue oui ouo out ox- oxb oxi oxo oxt oxx qbe qbq qee qeo qet qex qie qio qit qiu qix qoi qoo qqq qqu qti qto qtq qu- que qui quo qut qux qxe t-x tbb tbe tbi tbo tbt tbu te- teb tee tei teo teq tet teu tex tib tie tii tio tit tiu tix to- tob toe toi too toq tot tou tox tqo ttb tte tti tto ttt ttu ttx tub tue tui tuo tut tuu tux txe txi txt txu ubb ube ubi ubo ubt ubu ubx ueb uee uei uet uib uie uii uio uiq uit uiu uob uoe uoo uot uox utb ute uti uto utt utu utx uue uut uuu uxb uxo uxt uxu xbe xbx xee xeq xet xeu xex xie xii xio xit xiu xix xoi xoo xot xox xqt xti xtx xue xui xxi xxo xxx