a-a a-c aaa aac aam aap aar aay ac- aca acc acm acp acr acy ama amc amm amp amr amy ap- apa apc apm app apr apy ar- ara arc arm arp arr ary ay- aya ayc ayp ayr c-- caa cac cam cap car cay cca ccc ccm ccp ccr cma cmc cmm cmp cmr cmy cpa cpc cpm cpp cpr cra crc crm crp crr cry cya cyc cym cyp cyr m-r maa mac mam map mar may mc- mca mcc mcm mcp mcr mma mmc mmm mmp mmr mpa mpc mpm mpp mpr mra mrc mrm mrp mrr mry my- mya myc mym myr p-p paa pac pam pap par pay pca pcc pcm pcp pcr pma pmc pmm pmp pmr ppa ppc ppm ppp ppr pra prc prm prp prr pry py- pya pyc pym pyr ra- raa rac ram rap rar ray rca rcc rcm rcp rcr rma rmc rmm rmp rmr rpa rpc rpm rpp rpr rra rrc rrm rrp rrr ry- rya ryc rym ryr ryy yaa yac yam yap yar yay yca ycc ycp ycy yma ymc ymm ypa yra yrc yrp yyc yyy