-al -ol a-a a-b aaa aab aad aag aal aao aas ab- aba abb abd abg abl abo abs ad- ada adb add adg adl ado ads ag- aga agb agd agg agl ago ags al- ala alb ald alg all alo als aoa aob aod aog aol aoo aos as- asa asb asd asg asl aso ass baa bab bad bag bal bao bas bba bbb bbd bbg bbl bbo bbs bda bdb bdd bdg bdl bdo bds bga bgb bgd bgg bgl bgo bgs bla blb bld blg bll blo bls boa bob bod bog bol boo bos bsa bsb bsd bsg bsl bso bss daa dab dad dag dal dao das dba dbb dbd dbg dbl dbo dbs dda ddb ddd ddg ddl ddo dds dga dgd dgg dgl dgs dl- dla dlb dld dlg dll dlo dls doa dob dod dog dol doo dos dsa dsb dsd dsg dsl dso dss g-d gaa gab gad gag gal gao gas gba gbd gbg gbl gbo gbs gda gdb gdd gdl gdo gds gga ggb ggd ggg ggo ggs gla glb gld glg gll glo gls goa gob god gog gol goo gos gsa gsb gsd gsg gsl gso gss la- laa lab lad lag lal lao las lba lbb lbd lbg lbl lbo lbs lda ldb ldd ldg ldl ldo lds lga lgb lgd lgg lgl lgo lgs lla llb lld llg lll llo lls loa lob lod log lol loo los lsa lsb lsd lsg lsl lso lss oaa oab oad oag oal oao oas ob- oba obb obd obg obl obo obs oda odb odd odg odl odo ods oga ogd ogg ogl ogo ogs ola olb old olg oll olo ols oo- ooa oob ood oog ool ooo oos os- osa osb osd osg osl oso oss saa sab sad sag sal sao sas sba sbb sbd sbg sbl sbo sbs sda sdb sdd sdg sdl sdo sds sga sgb sgd sgg sgl sgo sgs sla slb sld slg sll slo sls soa sob sod sog sol soo sos ss- ssa ssb ssd ssg ssl sso sss