-ly -ol bbb bbc bbl bbm bbo bbt bby bcb bcc bcl bcm bco bct bcy blb blc bll blm blo blt bly bmb bmc bml bmm bmo bmt bob boc bol bom boo bot boy btb btc btl btm bto btt bty by- byc byl bym byo byt c-- cbb cbc cbl cbm cbo cbt cby ccb ccc ccl ccm cco cct cl- clb clc cll clm clo clt cly cmb cmc cml cmm cmo cmt cmy co- cob coc col com coo cot coy ctb ctc ctl ctm cto ctt cty cyb cyc cyl cym cyo cyt lbb lbc lbl lbm lbo lbt lcb lcc lcl lcm lco lct lcy llb llc lll llm llo llt lly lmb lmc lml lmm lmo lmt lob loc lol lom loo lot loy ltb ltc ltl ltm lto ltt lyc lyl lym lyo lyt m-o mbb mbc mbl mbm mbo mbt mc- mcb mcc mcl mcm mco mct mlb mlc mll mlm mlo mlt mmb mmc mml mmm mmo mmt mob moc mol mom moo mot moy mtb mtc mtl mtm mto mtt my- myb myc myl mym myo myt ob- obb obc obl obm obo obt oby oc- ocb occ ocl ocm oco oct olb olc oll olm olo olt oly om- omb omc oml omm omo omt omy oo- oob ooc ool oom ooo oot ot- otb otc otl otm oto ott oyl oyo tbb tbc tbl tbm tbo tbt tcb tcc tcl tcm tco tct tlc tll tlm tlo tlt tmb tmc tml tmm tmo tmt tmy to- tob toc tol tom too tot toy ttb ttc ttl ttm tto ttt tty tyc tyl tym tyo tyt ybc ybl ybm yby ycc ycl yco ycy ylc yll ylm ylt yly ymc yml ymm ymo ymt yob yoc yol yom yoo yot yoy ytc ytl ytm yto ytt yyb yyc yyt yyy