a-a a-b a-i a-z aaa aab aad aai aau aaz ab- aba abb abd abi abu abz ad- ada adb add adi adu adz ai- aia aib aid aii aiu aiz au- aua aub aud aui auz az- aza azb azd azi azu azz b-u baa bab bad bai bau baz bba bbb bbd bbi bbu bda bdb bdd bdi bdu bdz bi- bia bib bid bii biu biz bua bub bud bui buu buz bza bzd bzu bzz daa dab dad dai dau daz dba dbb dbd dbi dbu dbz dda ddb ddd ddi ddu ddz di- dia dib did dii diu diz dua dub dud dui duz dza dzb dzd dzi dzu i-d ia- iaa iab iad iai iau iaz iba ibb ibd ibi ibu ibz ida idb idd idi idu iia iib iid iii iiu iu- iua iub iud iui iuz iza izi izu izz ua- uaa uab uad uai uau uaz uba ubb ubi ubu uda udb udd udi udu uia uib uid uii uiu uua uuu uza uzb uzi uzu zaa zab zad zai zaz zbb zia zib zid ziz zub zud zui zuz zzz