a-a a-t aaa aam aan aao aap aas aat ama amm amn amo amp ams amt an- ana anm ann ano anp ans ant aoa aom aon aoo aop aos aot ap- apa apm apn apo app aps apt as- asa asm asn aso asp ass ast at- ata atm atn ato atp ats att m-o maa mam man mao map mas mat mma mmm mmn mmo mmp mms mmt mna mnm mnn mno mnp mns mnt moa mom mon moo mop mos mot mpa mpm mpn mpo mpp mps mpt msa msm msn mso msp mss mst mta mtm mtn mto mtp mts mtt naa nam nan nao nap nas nat nma nmm nmn nmo nmp nms nmt nna nnm nnn nno nnp nns nnt no- noa nom non noo nop nos not npa npm npn npo npp nps npt nsa nsm nsn nso nsp nss nst nta ntm ntn nto ntp nts ntt oaa oam oan oao oap oas oat om- oma omm omn omo omp oms omt on- ona onn ono onp ons ont oo- ooa oom oon ooo oop oos oot op- opa opm opn opo opp ops opt os- osa osm osn oso osp oss ost ot- ota otm otn oto otp ots ott p-p paa pam pan pao pap pas pat pma pmm pmn pmo pmp pms pmt pn- pna pnm pnn pno pnp pns pnt poa pom pon poo pop pos pot ppa ppm ppn ppo ppp pps ppt ps- psa psm psn pso psp pss pst pt- pta ptm ptn pto ptp pts ptt saa sam san sao sap sas sat sma smm smn smo smp sms smt sna snm snn sno snp sns snt soa som son soo sop sos sot spa spm spn spo spp sps spt ss- ssa ssm ssn sso ssp sss sst sta stm stn sto stp sts stt taa tam tan tao tap tas tat tma tmm tmn tmo tmp tms tmt tna tnm tnn tno tnp tns tnt to- toa tom ton too top tos tot tpa tpm tpn tpo tpp tps tpt tsa tsm tsn tso tsp tss tst tta ttm ttn tto ttp tts ttt