-ly -ol b-u bbb bbc bbh bbl bbo bbs bbu bby bcb bcc bch bcl bco bcs bcu bcy bhb bhc bhh bhl bho bhs bhu blb blc blh bll blo bls blu bly bob boc boh bol boo bos bou boy bsb bsc bsh bsl bso bss bsu bsy bub buc buh bul buo bus buu buy by- byc byh byl byo bys byu c-- cbb cbc cbh cbl cbo cbs cbu cby ccb ccc cch ccl cco ccs ccu ch- chb chc chh chl cho chs chu chy cl- clb clc clh cll clo cls clu cly co- cob coc coh col coo cos cou coy csb csc csh csl cso css csu csy cub cuc cuh cul cuo cus cuu cuy cyb cyc cyl cyo cys hbb hbc hbh hbl hbo hbs hbu hby hcb hcc hch hcl hco hcs hcy hhb hhc hhh hhl hho hhs hhu hhy hlb hlc hlh hll hlo hls hlu hly hob hoc hoh hol hoo hos hou hoy hsb hsc hsh hsl hss hsu hsy hub huc huh hul huo hus huu huy hy- hyb hyc hyh hyl hyo hys hyy lbb lbc lbh lbl lbo lbs lbu lcb lcc lch lcl lco lcs lcu lcy lhb lhc lhh lho lhs lhu llb llc lll llo lls llu lly lob loc loh lol loo los lou loy lsb lsc lsh lsl lso lss lsu lub luc luh lul luo lus luu luy lyc lyl lyo lys ob- obb obc obh obl obo obs obu oby oc- ocb occ och ocl oco ocs ocu ohc ohh ohl oho ohs ohu olb olc oll olo ols olu oly oo- oob ooc ooh ool ooo oos os- osb osc osh osl oso oss osu ou- ouc ouh oul ouo ous oyl oyo oys sbb sbc sbh sbl sbo sbs sbu sby scb scc sch scl sco scs scu sh- shb shc shh shl sho shs shu shy slb slc slh sll slo sls slu sly sob soc soh sol soo sos sou soy ss- ssb ssc ssh ssl sso sss ssu sub suc suh sul suo sus suu suy sy- syb syc syh syl sys syu ubb ubc ubh ubl ubo ubs ubu uby ucb ucc uch ucl uco ucs ucu uhb uhc uhh uhl uho uhs uhu uhy ulb ulc ull ulo uls ulu uly uob uoc uol uoo uos usb usc ush usl uso uss usu uuc uus uuu uyc uyo uys uyu ybc ybl ybs yby ycc ych ycl yco ycs ycu ycy yhc yhs yhu ylc yll yls yly yob yoc yol yoo yos you yoy ysb ysc ysl yso yss ysu ysy yuh yul yuo yus yuu yuy yyb yyc yys yyu yyy