a-a a-b a-i a-t aaa aab aad aae aaf aai aan aat aau ab- aba abb abd abe abf abi abn abt abu ad- ada adb add ade adf adi adn adt adu aea aeb aed aee aef aei aen aet aeu af- afa afb afd afe aff afi afn aft afu ai- aia aib aid aie aif aii ain ait aiu an- ana anb and ane anf ani ann ant anu at- ata atb atd ate atf ati atn att atu au- aua aub aud aue auf aui aun aut b-u baa bab bad bae baf bai ban bat bau bba bbb bbd bbe bbf bbi bbn bbt bbu bda bdb bdd bde bdf bdi bdt bdu be- bea beb bed bee bef bei ben bet beu bfa bfb bfd bfe bff bfi bfn bft bfu bi- bia bib bid bie bif bii bin bit biu bna bnb bnd bne bnf bni bnn bnt bnu bta btb btd bte btf bti btn btt btu bua bub bud bue buf bui bun but buu daa dab dad dae daf dai dan dat dau dba dbb dbd dbe dbf dbi dbn dbt dbu dda ddb ddd dde ddf ddi ddn ddt ddu de- dea deb ded dee def dei den det deu dfa dfb dfd dfe dff dfi dfn dft dfu di- dia dib did die dif dii din dit diu dna dnb dnd dne dnf dni dnn dnt dta dtb dtd dte dtf dti dtn dtt dtu dua dub dud due duf dui dun dut eaa eab ead eae eaf eai ean eat eau eba ebb ebd ebe ebf ebi ebn ebt ebu ed- eda edb edd ede edf edi edn edt edu eea eeb eed eee eef een eet ef- efa efb efd efe eff efi eft eia eib eid eie eif eii ein eit eiu en- ena enb end ene enf eni enn ent enu eta etb etd ete etf eti etn ett etu eu- eua eub eud eue euf eui eun eut faa fab fad fae faf fai fan fat fau fba fbb fbd fbe fbf fbi fbn fbt fbu fda fdb fdd fde fdf fdi fdn fdt fdu fea feb fed fee fef fei fen fet feu ffa ffd ffe fff ffi ffn fft ffu fia fib fid fie fif fii fin fit fiu fna fnb fnd fne fnf fni fnn fnt fnu fta ftb ftd fte ftf fti ftn ftt ftu fua fub fud fue fuf fui fun fut fuu i-d i-f ia- iaa iab iad iae iaf iai ian iat iau iba ibb ibd ibe ibf ibi ibn ibt ibu ida idb idd ide idf idi idn idt idu ie- iea ied iee ief iei ien iet ifa ifb ifd ife iff ifi ifn ift ifu iia iib iid iie iif iii iin iit iiu in- ina inb ind ine inf ini inn int inu ita itb itd ite itf iti itn itt itu iu- iua iub iud iue iui iut n-i naa nab nad nae naf nai nan nat nau nba nbb nbd nbe nbf nbi nbn nbt nbu nda ndb ndd nde ndf ndi ndn ndt ndu ne- nea neb ned nee nef nei nen net neu nfa nfb nfd nfe nff nfi nfn nft nfu nia nib nid nie nif nii nin nit niu nna nnb nne nnf nni nnn nnt nnu nta ntb ntd nte ntf nti ntn ntt ntu nua nub nud nue nui nun nut nuu taa tab tad tae taf tai tan tat tau tba tbb tbd tbe tbf tbi tbn tbt tbu tda tdb tdd tde tdf tdi tdn tdt tdu te- tea teb ted tee tef tei ten tet teu tfa tfb tfd tfe tff tfi tfn tft tfu tia tib tid tie tif tii tin tit tiu tna tnb tnd tne tnf tni tnn tnt tta ttb ttd tte ttf tti ttn ttt ttu tua tub tud tue tuf tui tun tut tuu ua- uaa uab uad uae uaf uai uan uat uau uba ubb ube ubf ubi ubn ubt ubu uda udb udd ude udf udi udn udt udu uea ueb ued uee uef uei uen uet ufa ufd ufe uff ufi ufn uft ufu uia uib uid uie uif uii uin uit uiu un- una unb und une unf uni unn unt unu uta utb utd ute utf uti utn utt utu uua uue uun uut uuu