a-a aaa aad aao aap aas aay ad- ada add ado adp ads ady aoa aod aoo aop aos ap- apa apd apo app aps apy as- asa asd aso asp ass asy ay- aya ayd ayo ayp ays daa dad dao dap das day dda ddd ddo ddp dds ddy doa dod doo dop dos doy dpa dpd dpo dpp dps dsa dsd dso dsp dss dsy dy- dya dyd dyo dyp dys dyy oaa oad oao oap oas oda odd odo odp ods oo- ooa ood ooo oop oos op- opa opd opo opp ops opy os- osa osd oso osp oss oya oyd oyo oys p-p paa pad pao pap pas pay pda pdd pdo pdp pds poa pod poo pop pos poy ppa ppd ppo ppp pps ps- psa psd pso psp pss psy py- pya pyd pyo pys saa sad sao sap sas say sda sdd sdo sdp sds sdy soa sod soo sop sos soy spa spd spo spp sps spy ss- ssa ssd sso ssp sss sy- sya syd syp sys yaa yad yao yap yas yay yda ydo yds ydy yod yoo yop yos yoy ypa ypd ypo yps ysa yso ysp yss ysy yys yyy