a-a a-c aaa aac aad aae aaf aah aak aau ac- aca acc acd ace acf ach ack acu ad- ada adc add ade adf adh adk adu aea aec aed aee aef aeh aek aeu af- afa afc afd afe aff afh afk afu aha ahc ahd ahe ahf ahh ahk ahu aka akc akd ake akh akk aku au- aua auc aud aue auf auh auk c-- caa cac cad cae caf cah cak cau cca ccc ccd cce ccf cch cck ccu cda cdc cdd cde cdf cdh cdk cdu ce- cea cec ced cee cef ceh cek ceu cfa cfc cfd cfe cff cfh cfk cfu ch- cha chc chd che chf chh chk chu cka ckc ckd ckh cua cuc cud cue cuf cuh cuk cuu daa dac dad dae daf dah dak dau dca dcc dcd dce dcf dck dcu dda ddc ddd dde ddf ddh ddk ddu de- dea dec ded dee def deh dek deu dfa dfc dfd dfe dff dfh dfk dfu dh- dha dhc dhd dhe dhf dhh dhk dhu dka dkc dke dkk dku dua duc dud due duf duh duk eaa eac ead eae eaf eah eak eau ec- eca ecc ecd ece ecf ech eck ecu ed- eda edc edd ede edf edh edk edu eea eec eed eee eef eek ef- efa efc efd efe eff efh eha ehc ehd ehe ehf ehh ehu eka ekc ekd eke ekf ekh eku eu- eua euc eud eue euf faa fac fad fae faf fah fak fau fca fcc fcd fce fcf fck fcu fda fdc fdd fde fdf fdh fdk fdu fea fec fed fee fef feh fek feu ffa ffc ffd ffe fff ffh ffk ffu fha fhc fhe fhf fhh fka fkc fkf fkk fua fud fue fuf fuk fuu haa hac had hae haf hah hak hau hca hcc hcd hce hcf hch hck hda hdc hdd hde hdf hdh hdk hdu he- hea hec hed hee hef heh hek heu hfa hfc hfd hfe hff hfh hfk hfu hha hhc hhd hhe hhf hhh hhk hhu hka hkd hkf hkh hkk hku hua huc hud hue huf huh huk huu ka- kaa kac kad kae kaf kah kak kau kca kcc kcd kce kch kck kcu kda kdc kde kdf kdh kdk kdu ke- kea kec ked kee kef keh kek kfa kfc kfd kff kfh kfu kha khe khf khh khk khu kkc kke kkh kkk kku kuc kud kue kuh kuk kuu ua- uaa uac uad uae uaf uah uak uau uca ucc ucd uce ucf uch uck ucu uda udc udd ude udf udk udu uea uec ued uee uef ueh ufa ufc ufd ufe uff ufh ufu uha uhc uhd uhe uhf uhh uhu uka ukc uke ukf ukk uku uua uuc uue uuu