a-a a-c aaa aac aad aah aap ac- aca acc acd ach acp ad- ada adc add adh adp aha ahc ahd ahh ahp ap- apa apc apd aph app c-- caa cac cad cah cap cca ccc ccd cch ccp cda cdc cdd cdh cdp ch- cha chc chd chh chp cpa cpc cpd cph cpp daa dac dad dah dap dca dcc dcd dcp dda ddc ddd ddh ddp dh- dha dhc dhd dhh dhp dpa dpc dpd dph dpp haa hac had hah hap hca hcc hcd hch hcp hda hdc hdd hdh hdp hha hhc hhd hhh hhp hpa hpc hpd hph hpp p-p paa pac pad pah pap pca pcc pcd pch pcp pda pdc pdd pdh pdp pha phc phd php ppa ppc ppd pph ppp