-al -ol a-a a-b aaa aab aag aah aal aao aas ab- aba abb abg abh abl abo abs ag- aga agb agg agh agl ago ags aha ahb ahg ahh ahl aho ahs al- ala alb alg alh all alo als aoa aob aog aoh aol aoo aos as- asa asb asg ash asl aso ass baa bab bag bah bal bao bas bba bbb bbg bbh bbl bbo bbs bga bgb bgg bgh bgl bgo bgs bha bhb bhg bhh bhl bho bhs bla blb blg blh bll blo bls boa bob bog boh bol boo bos bsa bsb bsg bsh bsl bso bss gaa gab gag gah gal gao gas gba gbg gbh gbl gbo gbs gga ggb ggg ggh ggo ggs gha ghb ghg ghh ghl gho ghs gla glb glg glh gll glo gls goa gob gog goh gol goo gos gsa gsb gsg gsl gso gss haa hab hag hah hal hao has hba hbb hbg hbh hbl hbo hbs hga hgb hgg hgh hgl hgo hgs hha hhb hhg hhh hhl hho hhs hla hlb hlg hlh hll hlo hls hoa hob hog hoh hol hoo hos hsa hsb hsg hsh hsl hss la- laa lab lag lah lal lao las lba lbb lbg lbh lbl lbo lbs lga lgb lgg lgh lgl lgo lgs lha lhb lhh lho lhs lla llb llg lll llo lls loa lob log loh lol loo los lsa lsb lsg lsh lsl lso lss oaa oab oag oah oal oao oas ob- oba obb obg obh obl obo obs oga ogg ogh ogl ogo ogs oha ohg ohh ohl oho ohs ola olb olg oll olo ols oo- ooa oob oog ooh ool ooo oos os- osa osb osg osh osl oso oss saa sab sag sah sal sao sas sba sbb sbg sbh sbl sbo sbs sga sgb sgg sgh sgl sgo sgs sh- sha shb shg shh shl sho shs sla slb slg slh sll slo sls soa sob sog soh sol soo sos ss- ssa ssb ssg ssh ssl sso sss