-th bbb bbc bbh bbl bbm bbr bbs bbt bcb bcc bch bcl bcm bcr bcs bct bhb bhc bhh bhl bhm bhr bhs bht blb blc blh bll blm blr bls blt bmb bmc bmh bml bmm bmr bms bmt brb brh brl brm brr brs brt bsb bsc bsh bsl bsm bsr bss bst btb btc bth btl btm btr bts btt c-- cbb cbc cbh cbl cbm cbr cbs cbt ccb ccc cch ccl ccm ccr ccs cct ch- chb chc chh chl chm chr chs cht cl- clb clc clh cll clm clr cls clt cmb cmc cmh cml cmm cmr cms cmt crb crc crh crl crm crr crs crt csb csc csh csl csm csr css cst ctb ctc cth ctl ctm ctr cts ctt hbb hbc hbh hbl hbm hbr hbs hbt hcb hcc hch hcl hcm hcr hcs hct hhb hhc hhh hhl hhm hhr hhs hht hlb hlc hlh hll hlm hlr hls hlt hmb hmc hmh hml hmm hmr hms hmt hr- hrb hrc hrh hrl hrm hrr hrs hrt hsb hsc hsh hsl hsm hsr hss hst htb htc hth htl htm htr hts htt lbb lbc lbh lbl lbm lbr lbs lbt lcb lcc lch lcl lcm lcr lcs lct lhb lhc lhh lhr lhs lht llb llc lll llm llr lls llt lmb lmc lmh lml lmm lmr lms lmt lrb lrc lrh lrm lrr lrs lrt lsb lsc lsh lsl lsm lsr lss lst ltb ltc lth ltl ltm ltr lts ltt m-r mbb mbc mbh mbl mbm mbr mbs mbt mc- mcb mcc mch mcl mcm mcr mcs mct mhc mhh mhl mhm mhr mhs mht mlb mlc mlh mll mlm mlr mls mlt mmb mmc mmh mml mmm mmr mms mmt mrb mrc mrh mrl mrm mrr mrs mrt msb msc msh msl msm msr mss mst mtb mtc mth mtl mtm mtr mts mtt rbb rbc rbh rbl rbm rbr rbs rbt rcb rcc rch rcl rcm rcr rcs rct rh- rhb rhc rhh rhl rhm rhr rhs rht rlc rlh rll rlm rlr rls rlt rmb rmc rmh rml rmm rmr rms rmt rrb rrc rrh rrl rrm rrr rrs rrt rsb rsc rsh rsl rsm rsr rss rst rtb rtc rtl rtm rtr rts rtt sbb sbc sbh sbl sbm sbr sbs sbt scb scc sch scl scm scr scs sct sh- shb shc shh shl shm shr shs sht slb slc slh sll slm slr sls slt smb smc smh sml smm smr sms smt sr- srb src srh srl srm srr srs srt ss- ssb ssc ssh ssl ssm ssr sss sst stb stc sth stl stm str sts stt tbb tbc tbh tbl tbm tbr tbs tbt tcb tcc tch tcl tcm tcr tcs tct th- thb thc thh thl thm thr ths tht tlc tlh tll tlm tlr tls tlt tmb tmc tmh tml tmm tmr tms tmt trb trc trh trl trm trr trs trt tsb tsc tsh tsl tsm tsr tss tst ttb ttc tth ttl ttm ttr tts ttt