a-a a-t aaa aam aan aao aap aat ama amm amn amo amp amt an- ana anm ann ano anp ant aoa aom aon aoo aop aot ap- apa apm apn apo app apt at- ata atm atn ato atp att m-o maa mam man mao map mat mma mmm mmn mmo mmp mmt mna mnm mnn mno mnp mnt moa mom mon moo mop mot mpa mpm mpn mpo mpp mpt mta mtm mtn mto mtp mtt naa nam nan nao nap nat nma nmm nmn nmo nmp nmt nna nnm nnn nno nnp nnt no- noa nom non noo nop not npa npm npn npo npp npt nta ntm ntn nto ntp ntt oaa oam oan oao oap oat om- oma omm omn omo omp omt on- ona onn ono onp ont oo- ooa oom oon ooo oop oot op- opa opm opn opo opp opt ot- ota otm otn oto otp ott p-p paa pam pan pao pap pat pma pmm pmn pmo pmp pmt pn- pna pnm pnn pno pnp pnt poa pom pon poo pop pot ppa ppm ppn ppo ppp ppt pt- pta ptm ptn pto ptp ptt taa tam tan tao tap tat tma tmm tmn tmo tmp tmt tna tnm tnn tno tnp tnt to- toa tom ton too top tot tpa tpm tpn tpo tpp tpt tta ttm ttn tto ttp ttt