-ly -ol -th bbb bbc bbh bbl bbo bbt bby bcb bcc bch bcl bco bct bcy bhb bhc bhh bhl bho bht blb blc blh bll blo blt bly bob boc boh bol boo bot boy btb btc bth btl bto btt bty by- byc byh byl byo byt c-- cbb cbc cbh cbl cbo cbt cby ccb ccc cch ccl cco cct ch- chb chc chh chl cho cht chy cl- clb clc clh cll clo clt cly co- cob coc coh col coo cot coy ctb ctc cth ctl cto ctt cty cyb cyc cyl cyo cyt hbb hbc hbh hbl hbo hbt hby hcb hcc hch hcl hco hct hcy hhb hhc hhh hhl hho hht hhy hlb hlc hlh hll hlo hlt hly hob hoc hoh hol hoo hot hoy htb htc hth htl hto htt hty hy- hyb hyc hyh hyl hyo hyt hyy lbb lbc lbh lbl lbo lbt lcb lcc lch lcl lco lct lcy lhb lhc lhh lho lht llb llc lll llo llt lly lob loc loh lol loo lot loy ltb ltc lth ltl lto ltt lyc lyl lyo lyt ob- obb obc obh obl obo obt oby oc- ocb occ och ocl oco oct ohc ohh ohl oho oht olb olc oll olo olt oly oo- oob ooc ooh ool ooo oot ot- otb otc oth otl oto ott oyl oyo tbb tbc tbh tbl tbo tbt tcb tcc tch tcl tco tct th- thb thc thh thl tho tht thy tlc tlh tll tlo tlt to- tob toc toh tol too tot toy ttb ttc tth ttl tto ttt tty tyc tyl tyo tyt ybc ybl yby ycc ych ycl yco ycy yhc yht ylc yll ylt yly yob yoc yol yoo yot yoy ytc yth ytl yto ytt yyb yyc yyt yyy