a-a a-b a-i aaa aab aad aae aaf aai aan aao aau ab- aba abb abd abe abf abi abn abo abu ad- ada adb add ade adf adi adn ado adu aea aeb aed aee aef aei aen aeo aeu af- afa afb afd afe aff afi afn afo afu ai- aia aib aid aie aif aii ain aio aiu an- ana anb and ane anf ani ann ano anu aoa aob aod aoe aof aoi aon aoo aou au- aua aub aud aue auf aui aun auo b-u baa bab bad bae baf bai ban bao bau bba bbb bbd bbe bbf bbi bbn bbo bbu bda bdb bdd bde bdf bdi bdo bdu be- bea beb bed bee bef bei ben beo beu bfa bfb bfd bfe bff bfi bfn bfo bfu bi- bia bib bid bie bif bii bin bio biu bna bnb bnd bne bnf bni bnn bno bnu boa bob bod boe bof boi bon boo bou bua bub bud bue buf bui bun buo buu daa dab dad dae daf dai dan dao dau dba dbb dbd dbe dbf dbi dbn dbo dbu dda ddb ddd dde ddf ddi ddn ddo ddu de- dea deb ded dee def dei den deo deu dfa dfb dfd dfe dff dfi dfn dfo dfu di- dia dib did die dif dii din dio diu dna dnb dnd dne dnf dni dnn dno doa dob dod doe dof doi don doo dou dua dub dud due duf dui dun duo eaa eab ead eae eaf eai ean eao eau eba ebb ebd ebe ebf ebi ebn ebo ebu ed- eda edb edd ede edf edi edn edo edu eea eeb eed eee eef een eeo ef- efa efb efd efe eff efi efo eia eib eid eie eif eii ein eio eiu en- ena enb end ene enf eni enn eno enu eo- eoa eob eod eoe eof eoi eon eoo eou eu- eua eub eud eue euf eui eun faa fab fad fae faf fai fan fao fau fba fbb fbd fbe fbf fbi fbn fbo fbu fda fdb fdd fde fdf fdi fdn fdo fdu fea feb fed fee fef fei fen feo feu ffa ffd ffe fff ffi ffn ffo ffu fia fib fid fie fif fii fin fiu fna fnb fnd fne fnf fni fnn fnu foa fob foe fof foi fon foo fou fua fub fud fue fuf fui fun fuo fuu i-d i-f ia- iaa iab iad iae iaf iai ian iao iau iba ibb ibd ibe ibf ibi ibn ibo ibu ida idb idd ide idf idi idn ido idu ie- iea ied iee ief iei ien ifa ifb ifd ife iff ifi ifn ifo ifu iia iib iid iie iif iii iin iio iiu in- ina inb ind ine inf ini inn ino inu io- ioa iob iod ioe iof ioi ion ioo iou iu- iua iub iud iue iui n-i naa nab nad nae naf nai nan nao nau nba nbb nbd nbe nbf nbi nbn nbo nbu nda ndb ndd nde ndf ndi ndn ndo ndu ne- nea neb ned nee nef nei nen neo neu nfa nfb nfd nfe nff nfi nfn nfo nfu nia nib nid nie nif nii nin nio niu nna nnb nne nnf nni nnn nno nnu no- noa nob nod noe nof noi non noo nou nua nub nud nue nui nun nuo nuu o-i oaa oab oad oae oaf oai oan oao oau ob- oba obb obd obe obf obi obn obo obu oda odb odd ode odf odi odn odo odu oea oeb oed oee oef oei oen oeo of- ofa ofb ofd ofe off ofi ofn ofo ofu oia oib oid oie oif oii oin oio oiu on- ona onb ond one onf oni onn ono onu oo- ooa oob ood oof ooi oon ooo ou- oua oud oue ouf oui oun ouo ua- uaa uab uad uae uaf uai uan uao uau uba ubb ube ubf ubi ubn ubo ubu uda udb udd ude udf udi udn udo udu uea ueb ued uee uef uei uen ufa ufd ufe uff ufi ufn ufo ufu uia uib uid uie uif uii uin uio uiu un- una unb und une unf uni unn uno unu uoa uob uod uoe uon uoo uua uue uun uuu