bbb bbc bbd bbe bbk bbo bbt bcb bcc bcd bce bcj bck bco bct bdb bdc bdd bde bdj bdk bdo bdt be- beb bec bed bee bek beo bet bjc bjd bjj bjk bjt bkb bkc bke bkk bko bkt bob boc bod boe boj bok boo bot btb btc btd bte btk bto btt c-- c-j cbb cbc cbd cbe cbj cbk cbo cbt ccb ccc ccd cce ccj cck cco cct cdb cdc cdd cde cdj cdk cdo cdt ce- ceb cec ced cee cej cek ceo cet cjb cjc cjd cjk ckb ckc ckd cko ckt co- cob coc cod coe coj cok coo cot ctb ctc ctd cte ctk cto ctt dbb dbc dbd dbe dbk dbo dbt dcb dcc dcd dce dck dco dct ddb ddc ddd dde ddk ddo ddt de- deb dec ded dee dej dek deo det dj- djb djc djd dje djk djo djt dkb dkc dke dkk dko dkt dob doc dod doe doj dok doo dot dtb dtc dtd dte dtj dtk dto dtt ebb ebc ebd ebe ebj ebk ebo ebt ec- ecb ecc ecd ece ecj eck eco ect ed- edb edc edd ede edj edk edo edt eeb eec eed eee eek eeo eet ejc ejd ejo ejt ekb ekc ekd eke eko ekt eo- eob eoc eod eoe eok eoo eot etb etc etd ete etj etk eto ett j-d jbc jbj jbk jbo jbt jcb jcc jcd jce jck jco jct jdb jdc jde jdo jdt jeb jec jed jee jej jek jeo jet jjb jjc jjj jjk jkb jkk jko jkt job joc jod joe joj jok joo jot jtb jtc jte jtk jtt k-t kbb kbc kbd kbe kbk kbo kcb kcc kcd kce kck kct kdb kdc kde kdk kdo kdt ke- keb kec ked kee kek keo ket kjb kjc kje kkb kkc kke kkk kkt kob koc kod koe kok koo kot ktb ktc kte ktj ktk kto ktt ob- obb obc obd obe obj obk obo obt oc- ocb occ ocd ocj ock oco oct odb odc odd ode odo odt oeb oec oed oee oeo oet ojb ojc ojd oje ojo okb okc okd oke okj okk oko oo- oob ooc ood ook ooo oot ot- otb otc otd ote otk oto ott tbb tbc tbd tbe tbj tbk tbo tbt tcb tcc tcd tce tcj tck tco tct tdb tdc tdd tde tdk tdo tdt te- teb tec ted tee tej tek teo tet tjc tjd tje tjo tkb tkc tke tkk tko tkt to- tob toc tod toe toj tok too tot ttb ttc ttd tte ttk tto ttt