a-a a-z aaa aad aag aao aar aas aau aaz ad- ada add adg ado adr ads adu adz ag- aga agd agg ago agr ags agu agz aoa aod aog aoo aor aos aou ar- ara ard arg aro arr ars aru arz as- asa asd asg aso asr ass asu asz au- aua aud aug auo aur aus auz az- aza azd azg azo azs azu azz daa dad dag dao dar das dau daz dda ddd ddg ddo ddr dds ddu ddz dga dgd dgg dgr dgs dgu dgz doa dod dog doo dor dos dou doz dra drd drg dro drr drs dru drz dsa dsd dsg dso dsr dss dsu dsz dua dud dug duo dur dus duz dza dzd dzo dzr dzs dzu g-d gaa gad gag gao gar gas gau gaz gda gdd gdo gdr gds gdu gga ggd ggg ggo ggr ggs ggu ggz goa god gog goo gor gos gou goz gra grd grg gro grr grs gru gsa gsd gsg gso gsr gss gsu gu- gua gud gug guo gur gus guu guz gza gzo gzr gzu oaa oad oag oao oar oas oau oda odd odg odo odr ods odu oga ogd ogg ogo ogs oo- ooa ood oog ooo oor oos or- ora ord org oro orr ors oru orz os- osa osd osg oso osr oss osu ou- oua oud ouo our ous oza ozo ozs ozu ozz ra- raa rad rag rao rar ras rau raz rda rdd rdg rdo rdr rds rdu rga rgd rgg rgo rgr rgs roa rod rog roo ror ros rou roz rra rrd rrg rrr rrs rru rsa rsd rsg rso rsr rss rsu rua rud rug ruo rur rus ruu ruz rza rzo saa sad sag sao sar sas sau saz sda sdd sdg sdo sdr sds sdu sdz sga sgd sgg sgo sgr sgs sgu soa sod sog soo sor sos sou soz sr- sra srd srg sro srr srs ss- ssa ssd ssg sso ssr sss ssu ssz sua sud sug suo sur sus suu suz sza szd szr szu ua- uaa uad uag uao uar uas uau uaz uda udd udg udo udr uds udu uga ugg ugo ugr ugs ugu uoa uod uog uoo uor uos ur- ura urd urg uro urr urs uru urz usa usd usg uso usr uss usu usz uua uug uur uus uuu uza uzo uzu z-g zaa zad zag zao zar zas zaz zds zgg zgs zo- zoa zod zog zoo zor zos zou zro zrs zsa zsg zsu zsz zud zug zur zus zuz zzr zzs zzz