a-a a-c aaa aac aam aao aap aar aay ac- aca acc acm aco acp acr acy ama amc amm amo amp amr amy aoa aoc aom aoo aop aor ap- apa apc apm apo app apr apy ar- ara arc arm aro arp arr ary ay- aya ayc ayo ayp ayr c-- caa cac cam cao cap car cay cca ccc ccm cco ccp ccr cma cmc cmm cmo cmp cmr cmy co- coa coc com coo cop cor coy cpa cpc cpm cpo cpp cpr cra crc crm cro crp crr cry cya cyc cym cyo cyp cyr m-o m-r maa mac mam mao map mar may mc- mca mcc mcm mco mcp mcr mma mmc mmm mmo mmp mmr moa moc mom moo mop mor moy mpa mpc mpm mpo mpp mpr mra mrc mrm mro mrp mrr mry my- mya myc mym myo myr oaa oac oam oao oap oar oc- oca occ ocm oco ocp ocr om- oma omc omm omo omp omr omy oo- ooa ooc oom ooo oop oor op- opa opc opm opo opp opr opy or- ora orc orm oro orp orr ory oya oyo p-p paa pac pam pao pap par pay pca pcc pcm pco pcp pcr pma pmc pmm pmo pmp pmr poa poc pom poo pop por poy ppa ppc ppm ppo ppp ppr pra prc prm pro prp prr pry py- pya pyc pym pyo pyr ra- raa rac ram rao rap rar ray rca rcc rcm rco rcp rcr rma rmc rmm rmo rmp rmr roa roc rom roo rop ror roy rpa rpc rpm rpo rpp rpr rra rrc rrm rrp rrr ry- rya ryc rym ryo ryr ryy yaa yac yam yao yap yar yay yca ycc yco ycp ycy yma ymc ymm ymo yoc yom yoo yop yor yoy ypa ypo yra yrc yro yrp yyc yyy