a-a a-c aaa aac aam aan aap aas ac- aca acc acm acn acp acs ama amc amm amn amp ams an- ana anc anm ann anp ans ap- apa apc apm apn app aps as- asa asc asm asn asp ass c-- caa cac cam can cap cas cca ccc ccm ccn ccp ccs cma cmc cmm cmn cmp cms cn- cna cnc cnm cnn cnp cns cpa cpc cpm cpn cpp cps csa csc csm csn csp css maa mac mam man map mas mc- mca mcc mcm mcn mcp mcs mma mmc mmm mmn mmp mms mna mnc mnm mnn mnp mns mpa mpc mpm mpn mpp mps msa msc msm msn msp mss naa nac nam nan nap nas nca ncc ncm ncn ncp ncs nma nmc nmm nmn nmp nms nna nnc nnm nnn nnp nns npa npc npm npn npp nps nsa nsc nsm nsn nsp nss p-p paa pac pam pan pap pas pca pcc pcm pcn pcp pcs pma pmc pmm pmn pmp pms pn- pna pnc pnm pnn pnp pns ppa ppc ppm ppn ppp pps ps- psa psc psm psn psp pss saa sac sam san sap sas sca scc scm scn scp scs sma smc smm smn smp sms sna snc snm snn snp sns spa spc spm spn spp sps ss- ssa ssc ssm ssn ssp sss