-ly b-u bbb bbc bbl bbn bbr bbu bby bcb bcc bcl bcn bcr bcu bcy blb blc bll bln blr blu bly bnb bnc bnl bnn bnr bnu brb brl brn brr bru bry bub buc bul bun bur buu buy by- byc byl byn byr byu c-- cbb cbc cbl cbn cbr cbu cby ccb ccc ccl ccn ccr ccu cl- clb clc cll cln clr clu cly cn- cnb cnc cnl cnn cnr cnu cny crb crc crl crn crr cru cry cub cuc cul cun cur cuu cuy cyb cyc cyl cyn cyr lbb lbc lbl lbr lbu lcb lcc lcl lcn lcr lcu lcy llb llc lll lln llr llu lly lnb lnc lnl lnn lnr lnu lrb lrc lrn lrr lru lry lub luc lul lun lur luu luy lyc lyl lyn lyr nbb nbc nbl nbn nbr nbu ncb ncc ncl ncn ncr ncu nlb nlc nll nln nlr nlu nly nnb nnc nnl nnn nnu nrb nrc nrl nrn nrr nru nry nub nuc nul nun nur nuu nuy nyc nyl nyn nyu nyy rbb rbc rbl rbn rbr rbu rcb rcc rcl rcn rcr rcu rlc rll rln rlr rlu rly rnb rnc rnn rnr rnu rny rrb rrc rrl rrn rrr rru rub ruc run rur ruu ruy ry- ryc ryn ryr ryu ryy ubb ubc ubl ubn ubr ubu uby ucb ucc ucl ucn ucr ucu ulb ulc ull uln ulr ulu uly un- unb unc unl unn unr unu uny ur- urb urc url urn urr uru ury uuc uun uur uuu uyc uyu ybc ybl ybr yby ycc ycl ycu ycy ylc yll ylr yly ynn ynu yny yrc yrn yru yul yun yur yuu yuy yyb yyc yyu yyy