a-a a-c a-z aaa aac aad aam aap aaz ac- aca acc acd acm acp acz ad- ada adc add adm adp adz ama amc amd amm amp amz ap- apa apc apd apm app az- aza azd azm azp azz c-- caa cac cad cam cap caz cca ccc ccd ccm ccp ccz cda cdc cdd cdm cdp cdz cma cmc cmd cmm cmp cpa cpc cpd cpm cpp cpz cz- czc czd czm daa dac dad dam dap daz dca dcc dcd dcm dcp dda ddc ddd ddm ddp ddz dma dmc dmd dmm dmp dmz dpa dpc dpd dpm dpp dpz dza dzd dzp maa mac mad mam map maz mc- mca mcc mcd mcm mcp mcz mda mdc mdd mdm mdp mdz mma mmc mmd mmm mmp mmz mpa mpc mpd mpm mpp mza mzm mzp p-p paa pac pad pam pap paz pca pcc pcd pcm pcp pda pdc pdd pdm pdp pdz pma pmc pmd pmm pmp pmz ppa ppc ppd ppm ppp ppz pzc pzm pzp zaa zac zad zam zap zaz zdm zma zmc zmd zmm zmp zpc zpm zpp zzz