a-a a-t a-z aaa aag aao aas aat aau aaz ag- aga agg ago ags agt agu agz aoa aog aoo aos aot aou as- asa asg aso ass ast asu asz at- ata atg ato ats att atu atz au- aua aug auo aus aut auz az- aza azg azo azs azt azu azz gaa gag gao gas gat gau gaz gga ggg ggo ggs ggt ggu ggz goa gog goo gos got gou goz gsa gsg gso gss gst gsu gta gtg gto gts gtt gtu gu- gua gug guo gus gut guu guz gza gzo gzu oaa oag oao oas oat oau oga ogg ogo ogs ogt oo- ooa oog ooo oos oot os- osa osg oso oss ost osu ot- ota otg oto ots ott otu otz ou- oua ouo ous out oza ozo ozs ozt ozu ozz saa sag sao sas sat sau saz sga sgg sgo sgs sgt sgu soa sog soo sos sot sou soz ss- ssa ssg sso sss sst ssu ssz sta stg sto sts stt stu stz sua sug suo sus sut suu suz sza szu taa tag tao tas tat tau taz tga tgg tgo tgs tgt tgu tgz to- toa tog too tos tot tou toz tsa tsg tso tss tst tsu tta ttg tto tts ttt ttu tua tug tuo tus tut tuu tuz tza tzs tzu ua- uaa uag uao uas uat uau uaz uga ugg ugo ugs ugt ugu uoa uog uoo uos uot usa usg uso uss ust usu usz uta uto uts utt utu utz uua uug uus uut uuu uza uzo uzu z-g zaa zag zao zas zat zaz zgg zgs zo- zoa zog zoo zos zot zou zsa zsg zst zsu zsz zta zug zus zut zuz zzs zzt zzz