-ly -ol bbb bbc bbl bbn bbo bbr bbs bby bcb bcc bcl bcn bco bcr bcs bcy blb blc bll bln blo blr bls bly bnb bnc bnl bnn bno bnr bns bob boc bol bon boo bor bos boy brb brl brn bro brr brs bry bsb bsc bsl bsn bso bsr bss bsy by- byc byl byn byo byr bys c-- cbb cbc cbl cbn cbo cbr cbs cby ccb ccc ccl ccn cco ccr ccs cl- clb clc cll cln clo clr cls cly cn- cnb cnc cnl cnn cno cnr cns cny co- cob coc col con coo cor cos coy crb crc crl crn cro crr crs cry csb csc csl csn cso csr css csy cyb cyc cyl cyn cyo cyr cys lbb lbc lbl lbo lbr lbs lcb lcc lcl lcn lco lcr lcs lcy llb llc lll lln llo llr lls lly lnb lnc lnl lnn lno lnr lns lob loc lol lon loo lor los loy lrb lrc lrn lro lrr lrs lry lsb lsc lsl lsn lso lsr lss lyc lyl lyn lyo lyr lys nbb nbc nbl nbn nbo nbr nbs ncb ncc ncl ncn nco ncr ncs nlb nlc nll nln nlo nlr nls nly nnb nnc nnl nnn nno nns no- nob noc nol non noo nor nos noy nrb nrc nrl nrn nro nrr nrs nry nsb nsc nsl nsn nso nsr nss nsy nyc nyl nyn nyo nys nyy ob- obb obc obl obn obo obr obs oby oc- ocb occ ocl ocn oco ocr ocs olb olc oll oln olo ols oly on- onb onc onl onn ono onr ons ony oo- oob ooc ool oon ooo oor oos or- orb orc orl orn oro orr ors ory os- osb osc osl osn oso osr oss oyl oyo oys rbb rbc rbl rbn rbo rbr rbs rcb rcc rcl rcn rco rcr rcs rlc rll rln rlo rlr rls rly rnb rnc rnn rno rnr rns rny rob roc rol ron roo ror ros roy rrb rrc rrl rrn rrr rrs rsb rsc rsl rsn rso rsr rss ry- ryc ryn ryo ryr rys ryy sbb sbc sbl sbn sbo sbr sbs sby scb scc scl scn sco scr scs slb slc sll sln slo slr sls sly snb snc snl snn sno snr sns sny sob soc sol son soo sor sos soy sr- srb src srl srn sro srr srs sry ss- ssb ssc ssl ssn sso ssr sss sy- syb syc syl syn syr sys ybc ybl ybr ybs yby ycc ycl yco ycs ycy ylc yll ylr yls yly ynn yns yny yob yoc yol yon yoo yor yos yoy yrc yrn yro yrs ysb ysc ysl yso ysr yss ysy yyb yyc yys yyy