a-a a-z aaa aam aan aao aap aas aaz ama amm amn amo amp ams amz an- ana anm ann ano anp ans anz aoa aom aon aoo aop aos ap- apa apm apn apo app aps as- asa asm asn aso asp ass asz az- aza azm azn azo azp azs azz m-o maa mam man mao map mas maz mma mmm mmn mmo mmp mms mmz mna mnm mnn mno mnp mns mnz moa mom mon moo mop mos moz mpa mpm mpn mpo mpp mps msa msm msn mso msp mss mza mzm mzn mzp naa nam nan nao nap nas naz nma nmm nmn nmo nmp nms nmz nna nnm nnn nno nnp nns nnz no- noa nom non noo nop nos noz npa npm npn npo npp nps npz nsa nsm nsn nso nsp nss nsz nzo nzp nzs nzz oaa oam oan oao oap oas om- oma omm omn omo omp oms omz on- ona onn ono onp ons oo- ooa oom oon ooo oop oos op- opa opm opn opo opp ops os- osa osm osn oso osp oss oza ozm ozo ozs ozz p-p paa pam pan pao pap pas paz pma pmm pmn pmo pmp pms pmz pn- pna pnm pnn pno pnp pns poa pom pon poo pop pos poz ppa ppm ppn ppo ppp pps ppz ps- psa psm psn pso psp pss pzm pzp saa sam san sao sap sas saz sma smm smn smo smp sms smz sna snm snn sno snp sns soa som son soo sop sos soz spa spm spn spo spp sps spz ss- ssa ssm ssn sso ssp sss ssz sza szp zaa zam zan zao zap zas zaz zma zmm zmp zms znn zno znp zns zo- zoa zom zon zoo zos zpm zpo zpp zsa zsm zsz zzs zzz