a-a aaa aam aan aao aap aar aas ama amm amn amo amp amr ams an- ana anm ann ano anp anr ans aoa aom aon aoo aop aor aos ap- apa apm apn apo app apr aps ar- ara arm arn aro arp arr ars as- asa asm asn aso asp asr ass m-o m-r maa mam man mao map mar mas mma mmm mmn mmo mmp mmr mms mna mnm mnn mno mnp mnr mns moa mom mon moo mop mor mos mpa mpm mpn mpo mpp mpr mps mra mrm mrn mro mrp mrr mrs msa msm msn mso msp msr mss naa nam nan nao nap nar nas nma nmm nmn nmo nmp nmr nms nna nnm nnn nno nnp nns no- noa nom non noo nop nor nos npa npm npn npo npp npr nps nra nrm nrn nro nrp nrr nrs nsa nsm nsn nso nsp nsr nss oaa oam oan oao oap oar oas om- oma omm omn omo omp omr oms on- ona onn ono onp onr ons oo- ooa oom oon ooo oop oor oos op- opa opm opn opo opp opr ops or- ora orm orn oro orp orr ors os- osa osm osn oso osp osr oss p-p paa pam pan pao pap par pas pma pmm pmn pmo pmp pmr pms pn- pna pnm pnn pno pnp pnr pns poa pom pon poo pop por pos ppa ppm ppn ppo ppp ppr pps pra prm prn pro prp prr prs ps- psa psm psn pso psp psr pss ra- raa ram ran rao rap rar ras rma rmm rmn rmo rmp rmr rms rna rnm rnn rno rnp rnr rns roa rom ron roo rop ror ros rpa rpm rpn rpo rpp rpr rps rra rrm rrn rrp rrr rrs rsa rsm rsn rso rsp rsr rss saa sam san sao sap sar sas sma smm smn smo smp smr sms sna snm snn sno snp snr sns soa som son soo sop sor sos spa spm spn spo spp spr sps sr- sra srm srn sro srp srr srs ss- ssa ssm ssn sso ssp ssr sss