a-a aaa aam aan aap aas ama amm amn amp ams an- ana anm ann anp ans ap- apa apm apn app aps as- asa asm asn asp ass maa mam man map mas mma mmm mmn mmp mms mna mnm mnn mnp mns mpa mpm mpn mpp mps msa msm msn msp mss naa nam nan nap nas nma nmm nmn nmp nms nna nnm nnn nnp nns npa npm npn npp nps nsa nsm nsn nsp nss p-p paa pam pan pap pas pma pmm pmn pmp pms pn- pna pnm pnn pnp pns ppa ppm ppn ppp pps ps- psa psm psn psp pss saa sam san sap sas sma smm smn smp sms sna snm snn snp sns spa spm spn spp sps ss- ssa ssm ssn ssp sss