-th b-u bbb bbd bbh bbn bbo bbr bbt bbu bdb bdd bdh bdo bdr bdt bdu bhb bhd bhh bho bhr bht bhu bnb bnd bnn bno bnr bnt bnu bob bod boh bon boo bor bot bou brb brd brh brn bro brr brt bru btb btd bth btn bto btr btt btu bub bud buh bun buo bur but buu dbb dbd dbh dbn dbo dbr dbt dbu ddb ddd ddh ddn ddo ddr ddt ddu dh- dhb dhd dhh dho dhr dht dhu dnb dnd dnh dnn dno dnr dnt dob dod doh don doo dor dot dou drb drd drn dro drr drt dru dtb dtd dth dtn dto dtr dtt dtu dub dud duh dun duo dur dut hbb hbd hbh hbn hbo hbr hbt hbu hdb hdd hdh hdn hdo hdr hdt hdu hhb hhd hhh hhn hho hhr hht hhu hnb hnd hnh hnn hno hnt hnu hob hod hoh hon hoo hor hot hou hr- hrb hrd hrh hrn hro hrr hrt hru htb htd hth htn hto htr htt hub hud huh hun huo hur hut huu nbb nbd nbn nbo nbr nbt nbu ndb ndd ndh ndn ndo ndr ndt ndu nhb nhd nhh nhn nhr nht nhu nnb nnh nnn nno nnt nnu no- nob nod noh non noo nor not nou nrb nrd nrn nro nrr nrt nru ntb ntd nth ntn nto ntr ntt ntu nub nud nuh nun nuo nur nut nuu ob- obb obd obh obn obo obr obt obu odb odd odh odn odo odr odt odu ohd ohh ohn oho ohr oht ohu on- onb ond onh onn ono onr ont onu oo- oob ood ooh oon ooo oor oot or- orb ord orh orn oro orr ort oru ot- otb otd oth otn oto otr ott otu ou- oud ouh oun ouo our out rbb rbd rbh rbn rbo rbr rbt rbu rdb rdd rdh rdn rdo rdr rdt rdu rh- rhb rhd rhh rhn rho rhr rht rhu rnb rnd rnh rnn rno rnr rnt rnu rob rod roh ron roo ror rot rou rrb rrd rrh rrn rrr rrt rru rtb rtd rtn rto rtr rtt rtu rub rud ruh run ruo rur rut ruu tbb tbd tbh tbn tbo tbr tbt tbu tdb tdd tdh tdn tdo tdr tdt tdu th- thb thd thh thn tho thr tht thu tnb tnd tnh tnn tno tnr tnt to- tob tod toh ton too tor tot tou trb trd trh trn tro trr trt tru ttb ttd tth ttn tto ttr ttt ttu tub tud tuh tun tuo tur tut tuu ubb ubh ubn ubo ubr ubt ubu udb udd udn udo udr udt udu uhb uhd uhh uho uhr uht uhu un- unb und unh unn uno unr unt unu uob uod uon uoo uor uot ur- urb urd urn uro urr urt uru utb utd uth utn uto utr utt utu uun uur uut uuu