a-a a-c aaa aac aam aap aar aas ac- aca acc acm acp acr acs ama amc amm amp amr ams ap- apa apc apm app apr aps ar- ara arc arm arp arr ars as- asa asc asm asp asr ass c-- caa cac cam cap car cas cca ccc ccm ccp ccr ccs cma cmc cmm cmp cmr cms cpa cpc cpm cpp cpr cps cra crc crm crp crr crs csa csc csm csp csr css m-r maa mac mam map mar mas mc- mca mcc mcm mcp mcr mcs mma mmc mmm mmp mmr mms mpa mpc mpm mpp mpr mps mra mrc mrm mrp mrr mrs msa msc msm msp msr mss p-p paa pac pam pap par pas pca pcc pcm pcp pcr pcs pma pmc pmm pmp pmr pms ppa ppc ppm ppp ppr pps pra prc prm prp prr prs ps- psa psc psm psp psr pss ra- raa rac ram rap rar ras rca rcc rcm rcp rcr rcs rma rmc rmm rmp rmr rms rpa rpc rpm rpp rpr rps rra rrc rrm rrp rrr rrs rsa rsc rsm rsp rsr rss saa sac sam sap sar sas sca scc scm scp scr scs sma smc smm smp smr sms spa spc spm spp spr sps sr- sra src srm srp srr srs ss- ssa ssc ssm ssp ssr sss