a-a aaa aam aap aar aas ama amm amp amr ams ap- apa apm app apr aps ar- ara arm arp arr ars as- asa asm asp asr ass m-r maa mam map mar mas mma mmm mmp mmr mms mpa mpm mpp mpr mps mra mrm mrp mrr mrs msa msm msp msr mss p-p paa pam pap par pas pma pmm pmp pmr pms ppa ppm ppp ppr pps pra prm prp prr prs ps- psa psm psp psr pss ra- raa ram rap rar ras rma rmm rmp rmr rms rpa rpm rpp rpr rps rra rrm rrp rrr rrs rsa rsm rsp rsr rss saa sam sap sar sas sma smm smp smr sms spa spm spp spr sps sr- sra srm srp srr srs ss- ssa ssm ssp ssr sss