-th bbb bbf bbh bbl bbm bbs bbt bfb bff bfh bfl bfm bfs bft bhb bhf bhh bhl bhm bhs bht blb blf blh bll blm bls blt bmb bmf bmh bml bmm bms bmt bsb bsf bsh bsl bsm bss bst btb btf bth btl btm bts btt fbb fbf fbh fbl fbm fbs fbt fff ffh ffl ffm ffs fft fhb fhf fhh fhl fhm fhs flb flf fll flm fls flt fmb fmf fmh fml fmm fms fmt fsb fsf fsh fsl fsm fss fst ftb ftf fth ftl ftm fts ftt hbb hbf hbh hbl hbm hbs hbt hfb hff hfh hfl hfm hfs hft hhb hhf hhh hhl hhm hhs hht hlb hlf hlh hll hlm hls hlt hmb hmf hmh hml hmm hms hmt hsb hsf hsh hsl hsm hss hst htb htf hth htl htm hts htt lbb lbf lbh lbl lbm lbs lbt lfb lff lfh lfl lfm lfs lft lhb lhf lhh lhs lht llb llf lll llm lls llt lmb lmf lmh lml lmm lms lmt lsb lsf lsh lsl lsm lss lst ltb ltf lth ltl ltm lts ltt m-f mbb mbf mbh mbl mbm mbs mbt mfb mff mfh mfl mfm mfs mft mhf mhh mhl mhm mhs mht mlb mlf mlh mll mlm mls mlt mmb mmf mmh mml mmm mms mmt msb msf msh msl msm mss mst mtb mtf mth mtl mtm mts mtt sbb sbf sbh sbl sbm sbs sbt sfb sff sfh sfl sfm sfs sft sh- shb shf shh shl shm shs sht slb slf slh sll slm sls slt smb smf smh sml smm sms smt ss- ssb ssf ssh ssl ssm sss sst stb stf sth stl stm sts stt tbb tbf tbh tbl tbm tbs tbt tfb tff tfh tfl tfm tfs tft th- thb thf thh thl thm ths tht tlf tlh tll tlm tls tlt tmb tmf tmh tml tmm tms tmt tsb tsf tsh tsl tsm tss tst ttb ttf tth ttl ttm tts ttt