a-a a-b a-i a-z aaa aab aad aai aao aau aaz ab- aba abb abd abi abo abu abz ad- ada adb add adi ado adu adz ai- aia aib aid aii aio aiu aiz aoa aob aod aoi aoo aou au- aua aub aud aui auo auz az- aza azb azd azi azo azu azz b-u baa bab bad bai bao bau baz bba bbb bbd bbi bbo bbu bda bdb bdd bdi bdo bdu bdz bi- bia bib bid bii bio biu biz boa bob bod boi boo bou boz bua bub bud bui buo buu buz bza bzd bzo bzu bzz daa dab dad dai dao dau daz dba dbb dbd dbi dbo dbu dbz dda ddb ddd ddi ddo ddu ddz di- dia dib did dii dio diu diz doa dob dod doi doo dou doz dua dub dud dui duo duz dza dzb dzd dzi dzo dzu i-d ia- iaa iab iad iai iao iau iaz iba ibb ibd ibi ibo ibu ibz ida idb idd idi ido idu iia iib iid iii iio iiu io- ioa iob iod ioi ioo iou iu- iua iub iud iui iuz iza izi izo izu izz o-i oaa oab oad oai oao oau ob- oba obb obd obi obo obu oda odb odd odi odo odu oia oib oid oii oio oiu oiz oo- ooa oob ood ooi ooo ou- oua oud oui ouo oza ozo ozu ozz ua- uaa uab uad uai uao uau uaz uba ubb ubi ubo ubu uda udb udd udi udo udu uia uib uid uii uio uiu uoa uob uod uoo uua uuu uza uzb uzi uzo uzu zaa zab zad zai zao zaz zbb zia zib zid zio ziz zo- zoa zob zod zoi zoo zou zub zud zui zuz zzz