a-a a-c aaa aac aad aae aah aap ac- aca acc acd ace ach acp ad- ada adc add ade adh adp aea aec aed aee aeh aep aha ahc ahd ahe ahh ahp ap- apa apc apd ape aph app c-- caa cac cad cae cah cap cca ccc ccd cce cch ccp cda cdc cdd cde cdh cdp ce- cea cec ced cee ceh cep ch- cha chc chd che chh chp cpa cpc cpd cpe cph cpp daa dac dad dae dah dap dca dcc dcd dce dcp dda ddc ddd dde ddh ddp de- dea dec ded dee deh dep dh- dha dhc dhd dhe dhh dhp dpa dpc dpd dpe dph dpp eaa eac ead eae eah eap ec- eca ecc ecd ece ech ed- eda edc edd ede edh edp eea eec eed eee eep eha ehc ehd ehe ehh ehp ep- epa epc epd epe eph epp haa hac had hae hah hap hca hcc hcd hce hch hcp hda hdc hdd hde hdh hdp he- hea hec hed hee heh hep hha hhc hhd hhe hhh hhp hpa hpc hpd hpe hph hpp p-p paa pac pad pae pah pap pca pcc pcd pce pch pcp pda pdc pdd pde pdh pdp pea pec ped pee peh pep pha phc phd phe php ppa ppc ppd ppe pph ppp