bbb bbd bbe bbn bbo bbq bdb bdd bde bdo bdq be- beb bed bee ben beo beq bnb bnd bne bnn bno bob bod boe bon boo boq bqd bqe dbb dbd dbe dbn dbo dbq ddb ddd dde ddn ddo ddq de- deb ded dee den deo deq dnb dnd dne dnn dno dnq dob dod doe don doo doq dqe dqn ebb ebd ebe ebn ebo ebq ed- edb edd ede edn edo eeb eed eee een eeo en- enb end ene enn eno eo- eob eod eoe eon eoo eoq eqe eqn eqq nbb nbd nbe nbn nbo ndb ndd nde ndn ndo ne- neb ned nee nen neo nnb nne nnn nno no- nob nod noe non noo ob- obb obd obe obn obo odb odd ode odn odo oeb oed oee oen oeo on- onb ond one onn ono oo- oob ood oon ooo oqb oqo qbd qbe qbq qdb qed qee qen qeo qnb qnd qne qoo qqq