-ic a-a a-b a-c a-i a-t aaa aab aac aae aai aan aat aau ab- aba abb abc abe abi abn abt abu ac- aca acb acc ace aci acn act acu aea aeb aec aee aei aen aet aeu ai- aia aib aic aie aii ain ait aiu an- ana anb anc ane ani ann ant anu at- ata atb atc ate ati atn att atu au- aua aub auc aue aui aun aut b-u baa bab bac bae bai ban bat bau bba bbb bbc bbe bbi bbn bbt bbu bca bcb bcc bce bci bcn bct bcu be- bea beb bec bee bei ben bet beu bi- bia bib bic bie bii bin bit biu bna bnb bnc bne bni bnn bnt bnu bta btb btc bte bti btn btt btu bua bub buc bue bui bun but buu c-- caa cab cac cae cai can cat cau cba cbb cbc cbe cbi cbn cbt cbu cca ccb ccc cce cci ccn cct ccu ce- cea ceb cec cee cei cen cet ceu ci- cia cib cic cie cii cin cit ciu cn- cna cnb cnc cne cni cnn cnt cnu cta ctb ctc cte cti ctn ctt ctu cua cub cuc cue cui cun cut cuu eaa eab eac eae eai ean eat eau eba ebb ebc ebe ebi ebn ebt ebu ec- eca ecb ecc ece eci ecn ect ecu eea eeb eec eee een eet eia eib eic eie eii ein eit eiu en- ena enb enc ene eni enn ent enu eta etb etc ete eti etn ett etu eu- eua eub euc eue eui eun eut ia- iaa iab iac iae iai ian iat iau iba ibb ibc ibe ibi ibn ibt ibu ica icb icc ice ici icn ict icu ie- iea iec iee iei ien iet iia iib iic iie iii iin iit iiu in- ina inb inc ine ini inn int inu ita itb itc ite iti itn itt itu iu- iua iub iuc iue iui iut n-i naa nab nac nae nai nan nat nau nba nbb nbc nbe nbi nbn nbt nbu nca ncb ncc nce nci ncn nct ncu ne- nea neb nec nee nei nen net neu nia nib nic nie nii nin nit niu nna nnb nnc nne nni nnn nnt nnu nta ntb ntc nte nti ntn ntt ntu nua nub nuc nue nui nun nut nuu taa tab tac tae tai tan tat tau tba tbb tbc tbe tbi tbn tbt tbu tca tcb tcc tce tci tcn tct tcu te- tea teb tec tee tei ten tet teu tia tib tic tie tii tin tit tiu tna tnb tnc tne tni tnn tnt tta ttb ttc tte tti ttn ttt ttu tua tub tuc tue tui tun tut tuu ua- uaa uab uac uae uai uan uat uau uba ubb ubc ube ubi ubn ubt ubu uca ucb ucc uce uci ucn uct ucu uea ueb uec uee uei uen uet uia uib uic uie uii uin uit uiu un- una unb unc une uni unn unt unu uta utb utc ute uti utn utt utu uua uuc uue uun uut uuu