a-a a-b a-i a-z aaa aab aad aai aak aan aao aaz ab- aba abb abd abi abk abn abo abz ad- ada adb add adi adk adn ado adz ai- aia aib aid aii aik ain aio aiz aka akb akd aki akk akn ako an- ana anb and ani ank ann ano anz aoa aob aod aoi aok aon aoo az- aza azb azd azi azn azo azz baa bab bad bai bak ban bao baz bba bbb bbd bbi bbk bbn bbo bda bdb bdd bdi bdk bdo bdz bi- bia bib bid bii bik bin bio biz bka bkb bkk bkn bko bna bnb bnd bni bnk bnn bno bnz boa bob bod boi bok bon boo boz bza bzd bzn bzo bzz daa dab dad dai dak dan dao daz dba dbb dbd dbi dbk dbn dbo dbz dda ddb ddd ddi ddk ddn ddo ddz di- dia dib did dii dik din dio diz dka dkb dki dkk dko dna dnb dnd dni dnk dnn dno dnz doa dob dod doi dok don doo doz dza dzb dzd dzi dzo i-d ia- iaa iab iad iai ian iao iaz iba ibb ibd ibi ibk ibn ibo ibz ida idb idd idi idk idn ido iia iib iid iii iin iio ika ikb iki ikk iko in- ina inb ind ini ink inn ino io- ioa iob iod ioi ion ioo iza izi izo izz k-z ka- kaa kab kad kai kak kan kao kaz kba kbb kbd kbi kbk kbn kbo kbz kda kdb kdk kdo kia kib kid kii kik kin kio kiz kkb kki kkk kkn kn- kna knd kni knk knn kno koa kob kod koi kok kon koo koz kzo n-i naa nab nad nai nak nan nao naz nba nbb nbd nbi nbk nbn nbo nda ndb ndd ndi ndk ndn ndo nia nib nid nii nik nin nio niz nka nki nkk nkn nko nna nnb nni nnk nnn nno nnz no- noa nob nod noi nok non noo noz nzb nzd nzi nzo nzz o-i oaa oab oad oai oak oan oao ob- oba obb obd obi obk obn obo oda odb odd odi odn odo oia oib oid oii oik oin oio oiz oka okb okd oki okk oko on- ona onb ond oni onk onn ono oo- ooa oob ood ooi ook oon ooo oza ozo ozz zaa zab zad zai zak zan zao zaz zbb zia zib zid zik zin zio ziz zka znd znn zno zo- zoa zob zod zoi zok zon zoo zzz