-ic a-a a-b a-c a-i a-t aaa aab aac aad aae aaf aai aan aao aat aau ab- aba abb abc abd abe abf abi abn abo abt abu ac- aca acb acc acd ace acf aci acn aco act acu ad- ada adb adc add ade adf adi adn ado adt adu aea aeb aec aed aee aef aei aen aeo aet aeu af- afa afb afc afd afe aff afi afn afo aft afu ai- aia aib aic aid aie aif aii ain aio ait aiu an- ana anb anc and ane anf ani ann ano ant anu aoa aob aoc aod aoe aof aoi aon aoo aot aou at- ata atb atc atd ate atf ati atn ato att atu au- aua aub auc aud aue auf aui aun auo aut b-u baa bab bac bad bae baf bai ban bao bat bau bba bbb bbc bbd bbe bbf bbi bbn bbo bbt bbu bca bcb bcc bcd bce bcf bci bcn bco bct bcu bda bdb bdc bdd bde bdf bdi bdo bdt bdu be- bea beb bec bed bee bef bei ben beo bet beu bfa bfb bfc bfd bfe bff bfi bfn bfo bft bfu bi- bia bib bic bid bie bif bii bin bio bit biu bna bnb bnc bnd bne bnf bni bnn bno bnt bnu boa bob boc bod boe bof boi bon boo bot bou bta btb btc btd bte btf bti btn bto btt btu bua bub buc bud bue buf bui bun buo but buu c-- caa cab cac cad cae caf cai can cao cat cau cba cbb cbc cbd cbe cbf cbi cbn cbo cbt cbu cca ccb ccc ccd cce ccf cci ccn cco cct ccu cda cdb cdc cdd cde cdf cdi cdn cdo cdt cdu ce- cea ceb cec ced cee cef cei cen ceo cet ceu cfa cfb cfc cfd cfe cff cfi cfn cfo cft cfu ci- cia cib cic cid cie cif cii cin cio cit ciu cn- cna cnb cnc cnd cne cnf cni cnn cno cnt cnu co- coa cob coc cod coe cof coi con coo cot cou cta ctb ctc ctd cte ctf cti ctn cto ctt ctu cua cub cuc cud cue cuf cui cun cuo cut cuu daa dab dac dad dae daf dai dan dao dat dau dba dbb dbc dbd dbe dbf dbi dbn dbo dbt dbu dca dcb dcc dcd dce dcf dci dcn dco dct dcu dda ddb ddc ddd dde ddf ddi ddn ddo ddt ddu de- dea deb dec ded dee def dei den deo det deu dfa dfb dfc dfd dfe dff dfi dfn dfo dft dfu di- dia dib dic did die dif dii din dio dit diu dna dnb dnc dnd dne dnf dni dnn dno dnt doa dob doc dod doe dof doi don doo dot dou dta dtb dtc dtd dte dtf dti dtn dto dtt dtu dua dub duc dud due duf dui dun duo dut eaa eab eac ead eae eaf eai ean eao eat eau eba ebb ebc ebd ebe ebf ebi ebn ebo ebt ebu ec- eca ecb ecc ecd ece ecf eci ecn eco ect ecu ed- eda edb edc edd ede edf edi edn edo edt edu eea eeb eec eed eee eef een eeo eet ef- efa efb efc efd efe eff efi efo eft eia eib eic eid eie eif eii ein eio eit eiu en- ena enb enc end ene enf eni enn eno ent enu eo- eoa eob eoc eod eoe eof eoi eon eoo eot eou eta etb etc etd ete etf eti etn eto ett etu eu- eua eub euc eud eue euf eui eun eut faa fab fac fad fae faf fai fan fao fat fau fba fbb fbc fbd fbe fbf fbi fbn fbo fbt fbu fca fcb fcc fcd fce fcf fci fcn fco fct fcu fda fdb fdc fdd fde fdf fdi fdn fdo fdt fdu fea feb fec fed fee fef fei fen feo fet feu ffa ffc ffd ffe fff ffi ffn ffo fft ffu fia fib fic fid fie fif fii fin fit fiu fna fnb fnc fnd fne fnf fni fnn fnt fnu foa fob foc foe fof foi fon foo fot fou fta ftb ftc ftd fte ftf fti ftn fto ftt ftu fua fub fud fue fuf fui fun fuo fut fuu i-d i-f ia- iaa iab iac iad iae iaf iai ian iao iat iau iba ibb ibc ibd ibe ibf ibi ibn ibo ibt ibu ica icb icc icd ice icf ici icn ico ict icu ida idb idc idd ide idf idi idn ido idt idu ie- iea iec ied iee ief iei ien iet ifa ifb ifc ifd ife iff ifi ifn ifo ift ifu iia iib iic iid iie iif iii iin iio iit iiu in- ina inb inc ind ine inf ini inn ino int inu io- ioa iob ioc iod ioe iof ioi ion ioo iot iou ita itb itc itd ite itf iti itn ito itt itu iu- iua iub iuc iud iue iui iut n-i naa nab nac nad nae naf nai nan nao nat nau nba nbb nbc nbd nbe nbf nbi nbn nbo nbt nbu nca ncb ncc ncd nce ncf nci ncn nco nct ncu nda ndb ndc ndd nde ndf ndi ndn ndo ndt ndu ne- nea neb nec ned nee nef nei nen neo net neu nfa nfb nfc nfd nfe nff nfi nfn nfo nft nfu nia nib nic nid nie nif nii nin nio nit niu nna nnb nnc nne nnf nni nnn nno nnt nnu no- noa nob noc nod noe nof noi non noo not nou nta ntb ntc ntd nte ntf nti ntn nto ntt ntu nua nub nuc nud nue nui nun nuo nut nuu o-i oaa oab oac oad oae oaf oai oan oao oat oau ob- oba obb obc