a-a a-c aaa aac aad aah aao aap aas ac- aca acc acd ach aco acp acs ad- ada adc add adh ado adp ads aha ahc ahd ahh aho ahp ahs aoa aoc aod aoh aoo aop aos ap- apa apc apd aph apo app aps as- asa asc asd ash aso asp ass c-- caa cac cad cah cao cap cas cca ccc ccd cch cco ccp ccs cda cdc cdd cdh cdo cdp cds ch- cha chc chd chh cho chp chs co- coa coc cod coh coo cop cos cpa cpc cpd cph cpo cpp cps csa csc csd csh cso csp css daa dac dad dah dao dap das dca dcc dcd dco dcp dcs dda ddc ddd ddh ddo ddp dds dh- dha dhc dhd dhh dho dhp dhs doa doc dod doh doo dop dos dpa dpc dpd dph dpo dpp dps dsa dsc dsd dsh dso dsp dss haa hac had hah hao hap has hca hcc hcd hch hco hcp hcs hda hdc hdd hdh hdo hdp hds hha hhc hhd hhh hho hhp hhs hoa hoc hod hoh hoo hop hos hpa hpc hpd hph hpo hpp hps hsa hsc hsd hsh hsp hss oaa oac oad oah oao oap oas oc- oca occ ocd och oco ocp ocs oda odc odd odh odo odp ods oha ohc ohd ohh oho ohp ohs oo- ooa ooc ood ooh ooo oop oos op- opa opc opd oph opo opp ops os- osa osc osd osh oso osp oss p-p paa pac pad pah pao pap pas pca pcc pcd pch pco pcp pcs pda pdc pdd pdh pdo pdp pds pha phc phd pho php phs poa poc pod poh poo pop pos ppa ppc ppd pph ppo ppp pps ps- psa psc psd psh pso psp pss saa sac sad sah sao sap sas sca scc scd sch sco scp scs sda sdc sdd sdh sdo sdp sds sh- sha shc shd shh sho shp shs soa soc sod soh soo sop sos spa spc spd sph spo spp sps ss- ssa ssc ssd ssh sso ssp sss