a-a a-c aaa aac aad aah aao aap aar aas ac- aca acc acd ach aco acp acr acs ad- ada adc add adh ado adp adr ads aha ahc ahd ahh aho ahp ahr ahs aoa aoc aod aoh aoo aop aor aos ap- apa apc apd aph apo app apr aps ar- ara arc ard arh aro arp arr ars as- asa asc asd ash aso asp asr ass c-- caa cac cad cah cao cap car cas cca ccc ccd cch cco ccp ccr ccs cda cdc cdd cdh cdo cdp cdr cds ch- cha chc chd chh cho chp chr chs co- coa coc cod coh coo cop cor cos cpa cpc cpd cph cpo cpp cpr cps cra crc crd crh cro crp crr crs csa csc csd csh cso csp csr css daa dac dad dah dao dap dar das dca dcc dcd dco dcp dcr dcs dda ddc ddd ddh ddo ddp ddr dds dh- dha dhc dhd dhh dho dhp dhr dhs doa doc dod doh doo dop dor dos dpa dpc dpd dph dpo dpp dpr dps dra drc drd dro drp drr drs dsa dsc dsd dsh dso dsp dsr dss haa hac had hah hao hap har has hca hcc hcd hch hco hcp hcr hcs hda hdc hdd hdh hdo hdp hdr hds hha hhc hhd hhh hho hhp hhr hhs hoa hoc hod hoh hoo hop hor hos hpa hpc hpd hph hpo hpp hpr hps hr- hra hrc hrd hrh hro hrp hrr hrs hsa hsc hsd hsh hsp hsr hss oaa oac oad oah oao oap oar oas oc- oca occ ocd och oco ocp ocr ocs oda odc odd odh odo odp odr ods oha ohc ohd ohh oho ohp ohr ohs oo- ooa ooc ood ooh ooo oop oor oos op- opa opc opd oph opo opp opr ops or- ora orc ord orh oro orp orr ors os- osa osc osd osh oso osp osr oss p-p paa pac pad pah pao pap par pas pca pcc pcd pch pco pcp pcr pcs pda pdc pdd pdh pdo pdp pdr pds pha phc phd pho php phr phs poa poc pod poh poo pop por pos ppa ppc ppd pph ppo ppp ppr pps pra prc prd prh pro prp prr prs ps- psa psc psd psh pso psp psr pss ra- raa rac rad rah rao rap rar ras rca rcc rcd rch rco rcp rcr rcs rda rdc rdd rdh rdo rdp rdr rds rh- rha rhc rhd rhh rho rhp rhr rhs roa roc rod roh roo rop ror ros rpa rpc rpd rph rpo rpp rpr rps rra rrc rrd rrh rrp rrr rrs rsa rsc rsd rsh rso rsp rsr rss saa sac sad sah sao sap sar sas sca scc scd sch sco scp scr scs sda sdc sdd sdh sdo sdp sdr sds sh- sha shc shd shh sho shp shr shs soa soc sod soh soo sop sor sos spa spc spd sph spo spp spr sps sr- sra src srd srh sro srp srr srs ss- ssa ssc ssd ssh sso ssp ssr sss