b-u bbb bbc bbh bbl bbs bbu bcb bcc bch bcl bcs bcu bhb bhc bhh bhl bhs bhu blb blc blh bll bls blu bsb bsc bsh bsl bss bsu bub buc buh bul bus buu c-- cbb cbc cbh cbl cbs cbu ccb ccc cch ccl ccs ccu ch- chb chc chh chl chs chu cl- clb clc clh cll cls clu csb csc csh csl css csu cub cuc cuh cul cus cuu hbb hbc hbh hbl hbs hbu hcb hcc hch hcl hcs hhb hhc hhh hhl hhs hhu hlb hlc hlh hll hls hlu hsb hsc hsh hsl hss hsu hub huc huh hul hus huu lbb lbc lbh lbl lbs lbu lcb lcc lch lcl lcs lcu lhb lhc lhh lhs lhu llb llc lll lls llu lsb lsc lsh lsl lss lsu lub luc luh lul lus luu sbb sbc sbh sbl sbs sbu scb scc sch scl scs scu sh- shb shc shh shl shs shu slb slc slh sll sls slu ss- ssb ssc ssh ssl sss ssu sub suc suh sul sus suu ubb ubc ubh ubl ubs ubu ucb ucc uch ucl ucs ucu uhb uhc uhh uhl uhs uhu ulb ulc ull uls ulu usb usc ush usl uss usu uuc uus uuu