b-u bbb bbd bbg bbh bbn bbo bbr bbu bdb bdd bdg bdh bdo bdr bdu bgb bgd bgg bgh bgn bgo bgr bgu bhb bhd bhg bhh bho bhr bhu bnb bnd bng bnn bno bnr bnu bob bod bog boh bon boo bor bou brb brd brg brh brn bro brr bru bub bud bug buh bun buo bur buu dbb dbd dbg dbh dbn dbo dbr dbu ddb ddd ddg ddh ddn ddo ddr ddu dgd dgg dgh dgn dgr dgu dh- dhb dhd dhh dho dhr dhu dnb dnd dng dnh dnn dno dnr dob dod dog doh don doo dor dou drb drd drg drn dro drr dru dub dud dug duh dun duo dur g-d gbd gbg gbh gbn gbo gbr gbu gdb gdd gdh gdn gdo gdr gdu ggb ggd ggg ggh ggn ggo ggr ggu ghb ghd ghg ghh ghn gho ghr gnb gnd gnn gno gnr gnu gob god gog goh gon goo gor gou grb grd grg grh grn gro grr gru gu- gub gud gug gun guo gur guu hbb hbd hbg hbh hbn hbo hbr hbu hdb hdd hdg hdh hdn hdo hdr hdu hgb hgg hgh hgn hgo hgr hgu hhb hhd hhg hhh hhn hho hhr hhu hnb hnd hng hnh hnn hno hnu hob hod hog hoh hon hoo hor hou hr- hrb hrd hrg hrh hrn hro hrr hru hub hud hug huh hun huo hur huu nbb nbd nbg nbn nbo nbr nbu ndb ndd ndg ndh ndn ndo ndr ndu ngb ngd ngg ngh ngn ngo ngu nhb nhd nhg nhh nhn nhr nhu nnb nng nnh nnn nno nnu no- nob nod nog noh non noo nor nou nrb nrd nrg nrn nro nrr nru nub nud nug nuh nun nuo nur nuu ob- obb obd obg obh obn obo obr obu odb odd odg odh odn odo odr odu ogd ogg ogh ogn ogo ohd ohg ohh ohn oho ohr ohu on- onb ond ong onh onn ono onr onu oo- oob ood oog ooh oon ooo oor or- orb ord org orh orn oro orr oru ou- oud ouh oun ouo our rbb rbd rbg rbh rbn rbo rbr rbu rdb rdd rdg rdh rdn rdo rdr rdu rgb rgd rgg rgh rgn rgo rgr rh- rhb rhd rhg rhh rhn rho rhr rhu rnb rnd rng rnh rnn rno rnr rnu rob rod rog roh ron roo ror rou rrb rrd rrg rrh rrn rrr rru rub rud rug ruh run ruo rur ruu ubb ubg ubh ubn ubo ubr ubu udb udd udg udn udo udr udu ugb ugg ugh ugn ugo ugr ugu uhb uhd uhh uho uhr uhu un- unb und ung unh unn uno unr unu uob uod uog uon uoo uor ur- urb urd urg urn uro urr uru uug uun uur uuu