b-p bbb bbf bbk bbl bbp bbs bbt bfb bff bfl bfp bfs bft bkb bkf bkk bkl bkp bks bkt blb blf blk bll blp bls blt bpb bpf bpl bpp bps bpt bsb bsf bsk bsl bsp bss bst btb btf btk btl btp bts btt fbb fbf fbk fbl fbp fbs fbt fff ffk ffl ffp ffs fft fkb fkf fkk fkl fkp fkt flb flf fll flp fls flt fpb fpk fpl fpp fps fpt fsb fsf fsk fsl fsp fss fst ftb ftf ftk ftl ftp fts ftt k-t kbb kbf kbk kbl kbp kbs kff kfs kkb kkk kkl kkp kks kkt kl- klb klf kls klt kpf kpk kpl kpp kps kpt ksb ksf ksk ksl ksp kss kst ktb ktf ktk ktl ktp kts ktt l-p lbb lbf lbk lbl lbp lbs lbt lfb lff lfk lfl lfp lfs lft lkb lkl lkp lks lkt llb llf llk lll llp lls llt lpb lpf lpk lpl lpp lps lpt lsb lsf lsk lsl lsp lss lst ltb ltf ltk ltl ltp lts ltt p-p pbb pbf pbk pbl pbp pbs pbt pfb pff pfk pfl pfp pfs pft pkb pkf pkl pkp pks pkt plb plf plk pll plp pls plt ppb ppf ppk ppl ppp pps ppt ps- psb psf psk psl psp pss pst pt- ptb ptf ptk ptl ptp pts ptt sbb sbf sbk sbl sbp sbs sbt sfb sff sfk sfl sfp sfs sft sk- skb skf skk skl skp sks skt slb slf slk sll slp sls slt spb spf spk spl spp sps spt ss- ssb ssf ssk ssl ssp sss sst stb stf stk stl stp sts stt tbb tbf tbk tbl tbp tbs tbt tfb tff tfk tfl tfp tfs tft tkb tkk tkl tkp tks tkt tlf tlk tll tlp tls tlt tpb tpf tpk tpl tpp tps tpt tsb tsf tsk tsl tsp tss tst ttb ttf ttk ttl ttp tts ttt