b-p bbb bbc bbd bbe bbo bbp bbt bbx bcb bcc bcd bce bco bcp bct bcx bdb bdc bdd bde bdo bdp bdt bdx be- beb bec bed bee beo bep bet bex bob boc bod boe boo bop bot box bpb bpc bpd bpe bpo bpp bpt bpx btb btc btd bte bto btp btt btx bxb bxd bxo bxx c-- cbb cbc cbd cbe cbo cbp cbt cbx ccb ccc ccd cce cco ccp cct ccx cdb cdc cdd cde cdo cdp cdt cdx ce- ceb cec ced cee ceo cep cet cex co- cob coc cod coe coo cop cot cox cpb cpc cpd cpe cpo cpp cpt cpx ctb ctc ctd cte cto ctp ctt ctx cxc cxo cxp cxt cxx dbb dbc dbd dbe dbo dbp dbt dbx dcb dcc dcd dce dco dcp dct dcx ddb ddc ddd dde ddo ddp ddt ddx de- deb dec ded dee deo dep det dex dob doc dod doe doo dop dot dox dpb dpc dpd dpe dpo dpp dpt dtb dtc dtd dte dto dtp dtt dtx dxc dxd dxo dxp dxt dxx ebb ebc ebd ebe ebo ebp ebt ebx ec- ecb ecc ecd ece eco ect ecx ed- edb edc edd ede edo edp edt edx eeb eec eed eee eeo eep eet eex eo- eob eoc eod eoe eoo eop eot ep- epb epc epd epe epo epp ept epx etb etc etd ete eto etp ett etx ex- exc exd exe exo exp ext exx ob- obb obc obd obe obo obp obt obx oc- ocb occ ocd oco ocp oct ocx odb odc odd ode odo odp odt oeb oec oed oee oeo oep oet oex oo- oob ooc ood ooo oop oot oox op- opb opc opd ope opo opp opt opx ot- otb otc otd ote oto otp ott ox- oxb oxc oxo oxt oxx p-p pbb pbc pbd pbe pbo pbp pbt pbx pcb pcc pcd pce pco pcp pct pcx pdb pdc pdd pde pdo pdp pdt pdx peb pec ped pee peo pep pet pex pob poc pod poe poo pop pot pox ppb ppc ppd ppe ppo ppp ppt ppx pt- ptb ptc ptd pte pto ptp ptt ptx pxc pxe pxt t-x tbb tbc tbd tbe tbo tbp tbt tcb tcc tcd tce tco tcp tct tcx tdb tdc tdd tde tdo tdp tdt tdx te- teb tec ted tee teo tep tet tex to- tob toc tod toe too top tot tox tpb tpc tpd tpe tpo tpp tpt tpx ttb ttc ttd tte tto ttp ttt ttx txe txt xbc xbe xbx xcb xcd xcp xcx xdb xdc xde xdt xed xee xep xet xex xoc xod xoo xop xot xox xpb xpc xpd xpe xpo xpp xpt xtc xtp xtx xxo xxp xxx