-th bbb bbh bbn bbo bbr bbs bbt bbx bhb bhh bho bhr bhs bht bhx bnb bnn bno bnr bns bnt bnx bob boh bon boo bor bos bot box brb brh brn bro brr brs brt brx bsb bsh bsn bso bsr bss bst bsx btb bth btn bto btr bts btt btx bxb bxn bxo bxx hbb hbh hbn hbo hbr hbs hbt hbx hhb hhh hhn hho hhr hhs hht hnb hnh hnn hno hns hnt hob hoh hon hoo hor hos hot hox hr- hrb hrh hrn hro hrr hrs hrt hsb hsh hsn hsr hss hst hsx htb hth htn hto htr hts htt htx nbb nbn nbo nbr nbs nbt nbx nhb nhh nhn nhr nhs nht nnb nnh nnn nno nns nnt no- nob noh non noo nor nos not nox nrb nrn nro nrr nrs nrt nrx nsb nsh nsn nso nsr nss nst nsx ntb nth ntn nto ntr nts ntt ntx nxt ob- obb obh obn obo obr obs obt obx ohh ohn oho ohr ohs oht on- onb onh onn ono onr ons ont onx oo- oob ooh oon ooo oor oos oot oox or- orb orh orn oro orr ors ort orx os- osb osh osn oso osr oss ost osx ot- otb oth otn oto otr ots ott ox- oxb oxn oxo oxt oxx rbb rbh rbn rbo rbr rbs rbt rbx rh- rhb rhh rhn rho rhr rhs rht rnb rnh rnn rno rnr rns rnt rob roh ron roo ror ros rot rox rrb rrh rrn rrr rrs rrt rsb rsh rsn rso rsr rss rst rsx rtb rtn rto rtr rts rtt rtx rxr rxs sbb sbh sbn sbo sbr sbs sbt sbx sh- shb shh shn sho shr shs sht snb snn sno snr sns snt sob soh son soo sor sos sot sox sr- srb srh srn sro srr srs srt srx ss- ssb ssh ssn sso ssr sss sst ssx stb sth stn sto str sts stt stx sxn sxs sxt t-x tbb tbh tbn tbo tbr tbs tbt th- thb thh thn tho thr ths tht thx tnb tnh tnn tno tnr tns tnt tnx to- tob toh ton too tor tos tot tox trb trh trn tro trr trs trt trx tsb tsh tsn tso tsr tss tst tsx ttb tth ttn tto ttr tts ttt ttx txn txs txt xbr xbx xht xno xns xon xoo xor xos xot xox xrt xrx xsb xss xst xtr xts xtx xxo xxx