a-a aaa aad aae aap aas ad- ada add ade adp ads aea aed aee aep aes ap- apa apd ape app aps as- asa asd ase asp ass daa dad dae dap das dda ddd dde ddp dds de- dea ded dee dep des dpa dpd dpe dpp dps dsa dsd dse dsp dss eaa ead eae eap eas ed- eda edd ede edp eds eea eed eee eep ees ep- epa epd epe epp eps es- esa esd ese esp ess p-p paa pad pae pap pas pda pdd pde pdp pds pea ped pee pep pes ppa ppd ppe ppp pps ps- psa psd pse psp pss saa sad sae sap sas sda sdd sde sdp sds se- sea sed see sep ses spa spd spe spp sps ss- ssa ssd sse ssp sss