a-a a-b a-i a-t aaa aab aad aae aaf aai aan aao aas aat aau ab- aba abb abd abe abf abi abn abo abs abt abu ad- ada adb add ade adf adi adn ado ads adt adu aea aeb aed aee aef aei aen aeo aes aet aeu af- afa afb afd afe aff afi afn afo afs aft afu ai- aia aib aid aie aif aii ain aio ais ait aiu an- ana anb and ane anf ani ann ano ans ant anu aoa aob aod aoe aof aoi aon aoo aos aot aou as- asa asb asd ase asf asi asn aso ass ast asu at- ata atb atd ate atf ati atn ato ats att atu au- aua aub aud aue auf aui aun auo aus aut b-u baa bab bad bae baf bai ban bao bas bat bau bba bbb bbd bbe bbf bbi bbn bbo bbs bbt bbu bda bdb bdd bde bdf bdi bdo bds bdt bdu be- bea beb bed bee bef bei ben beo bes bet beu bfa bfb bfd bfe bff bfi bfn bfo bfs bft bfu bi- bia bib bid bie bif bii bin bio bis bit biu bna bnb bnd bne bnf bni bnn bno bns bnt bnu boa bob bod boe bof boi bon boo bos bot bou bsa bsb bsd bse bsf bsi bsn bso bss bst bsu bta btb btd bte btf bti btn bto bts btt btu bua bub bud bue buf bui bun buo bus but buu daa dab dad dae daf dai dan dao das dat dau dba dbb dbd dbe dbf dbi dbn dbo dbs dbt dbu dda ddb ddd dde ddf ddi ddn ddo dds ddt ddu de- dea deb ded dee def dei den deo des det deu dfa dfb dfd dfe dff dfi dfn dfo dfs dft dfu di- dia dib did die dif dii din dio dis dit diu dna dnb dnd dne dnf dni dnn dno dns dnt doa dob dod doe dof doi don doo dos dot dou dsa dsb dsd dse dsf dsi dsn dso dss dst dsu dta dtb dtd dte dtf dti dtn dto dts dtt dtu dua dub dud due duf dui dun duo dus dut eaa eab ead eae eaf eai ean eao eas eat eau eba ebb ebd ebe ebf ebi ebn ebo ebs ebt ebu ed- eda edb edd ede edf edi edn edo eds edt edu eea eeb eed eee eef een eeo ees eet ef- efa efb efd efe eff efi efo efs eft eia eib eid eie eif eii ein eio eis eit eiu en- ena enb end ene enf eni enn eno ens ent enu eo- eoa eob eod eoe eof eoi eon eoo eos eot eou es- esa esb esd ese esf esi esn eso ess est esu eta etb etd ete etf eti etn eto ets ett etu eu- eua eub eud eue euf eui eun eus eut faa fab fad fae faf fai fan fao fas fat fau fba fbb fbd fbe fbf fbi fbn fbo fbs fbt fbu fda fdb fdd fde fdf fdi fdn fdo fds fdt fdu fea feb fed fee fef fei fen feo fes fet feu ffa ffd ffe fff ffi ffn ffo ffs fft ffu fia fib fid fie fif fii fin fis fit fiu fna fnb fnd fne fnf fni fnn fns fnt fnu foa fob foe fof foi fon foo fos fot fou fsa fsb fsd fse fsf fsi fsn fso fss fst fsu fta ftb ftd fte ftf fti ftn fto fts ftt ftu fua fub fud fue fuf fui fun fuo fus fut fuu i-d i-f ia- iaa iab iad iae iaf iai ian iao ias iat iau iba ibb ibd ibe ibf ibi ibn ibo ibs ibt ibu ida idb idd ide idf idi idn ido ids idt idu ie- iea ied iee ief iei ien ies iet ifa ifb ifd ife iff ifi ifn ifo ifs ift ifu iia iib iid iie iif iii iin iio iis iit iiu in- ina inb ind ine inf ini inn ino ins int inu io- ioa iob iod ioe iof ioi ion ioo ios iot iou is- isa isb isd ise isf isi isn iso iss ist isu ita itb itd ite itf iti itn ito its itt itu iu- iua iub iud iue iui ius iut n-i naa nab nad nae naf nai nan nao nas nat nau nba nbb nbd nbe nbf nbi nbn nbo nbs nbt nbu nda ndb ndd nde ndf ndi ndn ndo nds ndt ndu ne- nea neb ned nee nef nei nen neo nes net neu nfa nfb nfd nfe nff nfi nfn nfo nfs nft nfu nia nib nid nie nif nii nin nio nis nit niu nna nnb nne nnf nni nnn nno nns nnt nnu no- noa nob nod noe nof noi non noo nos not nou nsa nsb nsd nse nsf nsi nsn nso nss nst nsu nta ntb ntd nte ntf nti ntn nto nts ntt ntu nua nub nud nue nui nun nuo nus nut nuu o-i oaa oab oad oae oaf oai oan oao oas oat oau ob- oba obb obd obe obf obi obn obo obs obt obu oda odb odd ode odf odi odn odo ods odt odu oea oeb oed oee oef oei oen oeo oes oet of- ofa ofb ofd ofe off ofi ofn ofo ofs oft ofu oia oib oid oie oif oii oin oio ois oit oiu on- ona onb ond one onf oni onn ono ons ont onu oo- ooa oob ood oof ooi oon ooo oos oot os- osa osb osd ose osf osi osn oso oss ost osu ot- ota otb otd ote otf oti otn oto ots ott otu ou- oua oud oue ouf oui oun ouo ous out saa sab sad sae saf sai san sao sas sat sau sba sbb sbd sbe sbf sbi sbn