a-a aaa aam aan aap aar ama amm amn amp amr an- ana anm ann anp anr ap- apa apm apn app apr ar- ara arm arn arp arr m-r maa mam man map mar mma mmm mmn mmp mmr mna mnm mnn mnp mnr mpa mpm mpn mpp mpr mra mrm mrn mrp mrr naa nam nan nap nar nma nmm nmn nmp nmr nna nnm nnn nnp npa npm npn npp npr nra nrm nrn nrp nrr p-p paa pam pan pap par pma pmm pmn pmp pmr pn- pna pnm pnn pnp pnr ppa ppm ppn ppp ppr pra prm prn prp prr ra- raa ram ran rap rar rma rmm rmn rmp rmr rna rnm rnn rnp rnr rpa rpm rpn rpp rpr rra rrm rrn rrp rrr