-ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aat aau ab- aba abb abc abd abe abi abn abt abu ac- aca acb acc acd ace aci acn act acu ad- ada adb adc add ade adi adn adt adu aea aeb aec aed aee aei aen aet aeu ai- aia aib aic aid aie aii ain ait aiu an- ana anb anc and ane ani ann ant anu at- ata atb atc atd ate ati atn att atu au- aua aub auc aud aue aui aun aut b-u baa bab bac bad bae bai ban bat bau bba bbb bbc bbd bbe bbi bbn bbt bbu bca bcb bcc bcd bce bci bcn bct bcu bda bdb bdc bdd bde bdi bdt bdu be- bea beb bec bed bee bei ben bet beu bi- bia bib bic bid bie bii bin bit biu bna bnb bnc bnd bne bni bnn bnt bnu bta btb btc btd bte bti btn btt btu bua bub buc bud bue bui bun but buu c-- caa cab cac cad cae cai can cat cau cba cbb cbc cbd cbe cbi cbn cbt cbu cca ccb ccc ccd cce cci ccn cct ccu cda cdb cdc cdd cde cdi cdn cdt cdu ce- cea ceb cec ced cee cei cen cet ceu ci- cia cib cic cid cie cii cin cit ciu cn- cna cnb cnc cnd cne cni cnn cnt cnu cta ctb ctc ctd cte cti ctn ctt ctu cua cub cuc cud cue cui cun cut cuu daa dab dac dad dae dai dan dat dau dba dbb dbc dbd dbe dbi dbn dbt dbu dca dcb dcc dcd dce dci dcn dct dcu dda ddb ddc ddd dde ddi ddn ddt ddu de- dea deb dec ded dee dei den det deu di- dia dib dic did die dii din dit diu dna dnb dnc dnd dne dni dnn dnt dta dtb dtc dtd dte dti dtn dtt dtu dua dub duc dud due dui dun dut eaa eab eac ead eae eai ean eat eau eba ebb ebc ebd ebe ebi ebn ebt ebu ec- eca ecb ecc ecd ece eci ecn ect ecu ed- eda edb edc edd ede edi edn edt edu eea eeb eec eed eee een eet eia eib eic eid eie eii ein eit eiu en- ena enb enc end ene eni enn ent enu eta etb etc etd ete eti etn ett etu eu- eua eub euc eud eue eui eun eut i-d ia- iaa iab iac iad iae iai ian iat iau iba ibb ibc ibd ibe ibi ibn ibt ibu ica icb icc icd ice ici icn ict icu ida idb idc idd ide idi idn idt idu ie- iea iec ied iee iei ien iet iia iib iic iid iie iii iin iit iiu in- ina inb inc ind ine ini inn int inu ita itb itc itd ite iti itn itt itu iu- iua iub iuc iud iue iui iut n-i naa nab nac nad nae nai nan nat nau nba nbb nbc nbd nbe nbi nbn nbt nbu nca ncb ncc ncd nce nci ncn nct ncu nda ndb ndc ndd nde ndi ndn ndt ndu ne- nea neb nec ned nee nei nen net neu nia nib nic nid nie nii nin nit niu nna nnb nnc nne nni nnn nnt nnu nta ntb ntc ntd nte nti ntn ntt ntu nua nub nuc nud nue nui nun nut nuu taa tab tac tad tae tai tan tat tau tba tbb tbc tbd tbe tbi tbn tbt tbu tca tcb tcc tcd tce tci tcn tct tcu tda tdb tdc tdd tde tdi tdn tdt tdu te- tea teb tec ted tee tei ten tet teu tia tib tic tid tie tii tin tit tiu tna tnb tnc tnd tne tni tnn tnt tta ttb ttc ttd tte tti ttn ttt ttu tua tub tuc tud tue tui tun tut tuu ua- uaa uab uac uad uae uai uan uat uau uba ubb ubc ube ubi ubn ubt ubu uca ucb ucc ucd uce uci ucn uct ucu uda udb udc udd ude udi udn udt udu uea ueb uec ued uee uei uen uet uia uib uic uid uie uii uin uit uiu un- una unb unc und une uni unn unt unu uta utb utc utd ute uti utn utt utu uua uuc uue uun uut uuu