-ly -ol bbb bbc bbd bbl bbn bbo bbs bby bcb bcc bcd bcl bcn bco bcs bcy bdb bdc bdd bdl bdo bds bdy blb blc bld bll bln blo bls bly bnb bnc bnd bnl bnn bno bns bob boc bod bol bon boo bos boy bsb bsc bsd bsl bsn bso bss bsy by- byc byd byl byn byo bys c-- cbb cbc cbd cbl cbn cbo cbs cby ccb ccc ccd ccl ccn cco ccs cdb cdc cdd cdl cdn cdo cds cdy cl- clb clc cld cll cln clo cls cly cn- cnb cnc cnd cnl cnn cno cns cny co- cob coc cod col con coo cos coy csb csc csd csl csn cso css csy cyb cyc cyd cyl cyn cyo cys dbb dbc dbd dbl dbn dbo dbs dby dcb dcc dcd dcl dcn dco dcs ddb ddc ddd ddl ddn ddo dds ddy dl- dlb dlc dld dll dlo dls dly dnb dnc dnd dnl dnn dno dns dny dob doc dod dol don doo dos doy dsb dsc dsd dsl dsn dso dss dsy dy- dyb dyc dyd dyn dyo dys dyy lbb lbc lbd lbl lbo lbs lcb lcc lcd lcl lcn lco lcs lcy ldb ldc ldd ldl ldn ldo lds ldy llb llc lld lll lln llo lls lly lnb lnc lnd lnl lnn lno lns lob loc lod lol lon loo los loy lsb lsc lsd lsl lsn lso lss lyc lyd lyl lyn lyo lys nbb nbc nbd nbl nbn nbo nbs ncb ncc ncd ncl ncn nco ncs ndb ndc ndd ndl ndn ndo nds ndy nlb nlc nld nll nln nlo nls nly nnb nnc nnl nnn nno nns no- nob noc nod nol non noo nos noy nsb nsc nsd nsl nsn nso nss nsy nyc nyd nyl nyn nyo nys nyy ob- obb obc obd obl obn obo obs oby oc- ocb occ ocd ocl ocn oco ocs odb odc odd odl odn odo ods olb olc old oll oln olo ols oly on- onb onc ond onl onn ono ons ony oo- oob ooc ood ool oon ooo oos os- osb osc osd osl osn oso oss oyd oyl oyo oys sbb sbc sbd sbl sbn sbo sbs sby scb scc scd scl scn sco scs sdb sdc sdd sdl sdn sdo sds sdy slb slc sld sll sln slo sls sly snb snc snd snl snn sno sns sny sob soc sod sol son soo sos soy ss- ssb ssc ssd ssl ssn sso sss sy- syb syc syd syl syn sys ybc ybl ybs yby ycc ycd ycl yco ycs ycy ydl ydn ydo yds ydy ylc yld yll yls yly ynd ynn yns yny yob yoc yod yol yon yoo yos yoy ysb ysc ysl yso yss ysy yyb yyc yys yyy