-th bbb bbg bbh bbo bbs bbt bbx bgb bgg bgh bgo bgs bgt bgx bhb bhg bhh bho bhs bht bhx bob bog boh boo bos bot box bsb bsg bsh bso bss bst bsx btb btg bth bto bts btt btx bxb bxo bxx gbg gbh gbo gbs gbt gbx ggb ggg ggh ggo ggs ggt ghb ghg ghh gho ghs ght gob gog goh goo gos got gox gsb gsg gso gss gst gsx gtb gtg gth gto gts gtt gtx gxs gxt hbb hbg hbh hbo hbs hbt hbx hgb hgg hgh hgo hgs hgt hhb hhg hhh hho hhs hht hob hog hoh hoo hos hot hox hsb hsg hsh hss hst hsx htb htg hth hto hts htt htx ob- obb obg obh obo obs obt obx ogg ogh ogo ogs ogt ogx ohg ohh oho ohs oht oo- oob oog ooh ooo oos oot oox os- osb osg osh oso oss ost osx ot- otb otg oth oto ots ott ox- oxb oxo oxt oxx sbb sbg sbh sbo sbs sbt sbx sgb sgg sgh sgo sgs sgt sgx sh- shb shg shh sho shs sht sob sog soh soo sos sot sox ss- ssb ssg ssh sso sss sst ssx stb stg sth sto sts stt stx sxs sxt t-x tbb tbg tbh tbo tbs tbt tgb tgg tgh tgo tgs tgt th- thb thg thh tho ths tht thx to- tob tog toh too tos tot tox tsb tsg tsh tso tss tst tsx ttb ttg tth tto tts ttt ttx txs txt xbx xht xog xoo xos xot xox xsb xss xst xts xtx xxo xxx