a-a a-b aaa aab aad aag aam aao aas ab- aba abb abd abg abm abo abs ad- ada adb add adg adm ado ads ag- aga agb agd agg agm ago ags ama amb amd amg amm amo ams aoa aob aod aog aom aoo aos as- asa asb asd asg asm aso ass baa bab bad bag bam bao bas bba bbb bbd bbg bbm bbo bbs bda bdb bdd bdg bdm bdo bds bga bgb bgd bgg bgm bgo bgs bma bmb bmd bmg bmm bmo bms boa bob bod bog bom boo bos bsa bsb bsd bsg bsm bso bss daa dab dad dag dam dao das dba dbb dbd dbg dbm dbo dbs dda ddb ddd ddg ddm ddo dds dga dgd dgg dgm dgs dma dmb dmd dmg dmm dmo dms doa dob dod dog dom doo dos dsa dsb dsd dsg dsm dso dss g-d gaa gab gad gag gam gao gas gba gbd gbg gbm gbo gbs gda gdb gdd gdm gdo gds gga ggb ggd ggg ggm ggo ggs gma gmb gmd gmg gmm gmo gms goa gob god gog gom goo gos gsa gsb gsd gsg gsm gso gss m-o maa mab mad mag mam mao mas mba mbb mbd mbg mbm mbo mbs mda mdb mdd mdg mdm mdo mds mga mgb mgd mgm mgo mgs mma mmb mmd mmg mmm mmo mms moa mob mod mog mom moo mos msa msb msd msg msm mso mss oaa oab oad oag oam oao oas ob- oba obb obd obg obm obo obs oda odb odd odg odm odo ods oga ogd ogg ogo ogs om- oma omb omd omg omm omo oms oo- ooa oob ood oog oom ooo oos os- osa osb osd osg osm oso oss saa sab sad sag sam sao sas sba sbb sbd sbg sbm sbo sbs sda sdb sdd sdg sdm sdo sds sga sgb sgd sgg sgm sgo sgs sma smb smd smg smm smo sms soa sob sod sog som soo sos ss- ssa ssb ssd ssg ssm sso sss