bbb bbd bbe bbg bbn bbo bdb bdd bde bdg bdo be- beb bed bee beg ben beo bgb bgd bge bgg bgn bgo bnb bnd bne bng bnn bno bob bod boe bog bon boo dbb dbd dbe dbg dbn dbo ddb ddd dde ddg ddn ddo de- deb ded dee deg den deo dgd dge dgg dgn dnb dnd dne dng dnn dno dob dod doe dog don doo ebb ebd ebe ebg ebn ebo ed- edb edd ede edg edn edo eeb eed eee eeg een eeo egb egd ege egg egn ego en- enb end ene eng enn eno eo- eob eod eoe eog eon eoo g-d gbd gbe gbg gbn gbo gdb gdd gde gdn gdo ge- geb ged gee geg gen geo ggb ggd ggg ggn ggo gnb gnd gne gnn gno gob god goe gog gon goo nbb nbd nbe nbg nbn nbo ndb ndd nde ndg ndn ndo ne- neb ned nee neg nen neo ngb ngd nge ngg ngn ngo nnb nne nng nnn nno no- nob nod noe nog non noo ob- obb obd obe obg obn obo odb odd ode odg odn odo oeb oed oee oeg oen oeo ogd oge ogg ogn ogo on- onb ond one ong onn ono oo- oob ood oog oon ooo