-th bbb bbd bbe bbh bbi bbo bbt bbx bdb bdd bde bdh bdi bdo bdt bdx be- beb bed bee beh bei beo bet bex bhb bhd bhe bhh bhi bho bht bhx bi- bib bid bie bih bii bio bit bix bob bod boe boh boi boo bot box btb btd bte bth bti bto btt btx bxb bxd bxi bxo bxx dbb dbd dbe dbh dbi dbo dbt dbx ddb ddd dde ddh ddi ddo ddt ddx de- deb ded dee deh dei deo det dex dh- dhb dhd dhe dhh dhi dho dht di- dib did die dih dii dio dit dix dob dod doe doh doi doo dot dox dtb dtd dte dth dti dto dtt dtx dxd dxi dxo dxt dxx ebb ebd ebe ebh ebi ebo ebt ebx ed- edb edd ede edh edi edo edt edx eeb eed eee eeo eet eex ehb ehd ehe ehh ehi eho eht eib eid eie eii eio eit eix eo- eob eod eoe eoh eoi eoo eot etb etd ete eth eti eto ett etx ex- exd exe exh exi exo ext exx h-i hbb hbd hbe hbh hbi hbo hbt hbx hdb hdd hde hdh hdi hdo hdt hdx he- heb hed hee heh hei heo het hex hhb hhd hhe hhh hhi hho hht hib hid hie hih hii hio hit hix hob hod hoe hoh hoi hoo hot hox htb htd hte hth hti hto htt htx hxd i-d ibb ibd ibe ibh ibi ibo ibt ibx idb idd ide idh idi ido idt idx ie- ied iee iei iet iex ihb ihd ihe ihh ihi iho iht iib iid iie iih iii iio iit iix io- iob iod ioe ioh ioi ioo iot itb itd ite ith iti ito itt itx ixe ixi o-i ob- obb obd obe obh obi obo obt obx odb odd ode odh odi odo odt oeb oed oee oeh oei oeo oet oex ohd ohe ohh ohi oho oht oib oid oie oii oio oit oo- oob ood ooh ooi ooo oot oox ot- otb otd ote oth oti oto ott ox- oxb oxi oxo oxt oxx t-x tbb tbd tbe tbh tbi tbo tbt tdb tdd tde tdh tdi tdo tdt tdx te- teb ted tee teh tei teo tet tex th- thb thd the thh thi tho tht thx tib tid tie tih tii tio tit tix to- tob tod toe toh toi too tot tox ttb ttd tte tth tti tto ttt ttx txe txi txt xbe xbx xdb xde xdh xdi xdt xed xee xet xex xhd xht xie xii xio xit xix xod xoi xoo xot xox xti xtx xxi xxo xxx