a-a a-c a-t aaa aac aam aan aao aas aat ac- aca acc acm acn aco acs act ama amc amm amn amo ams amt an- ana anc anm ann ano ans ant aoa aoc aom aon aoo aos aot as- asa asc asm asn aso ass ast at- ata atc atm atn ato ats att c-- caa cac cam can cao cas cat cca ccc ccm ccn cco ccs cct cma cmc cmm cmn cmo cms cmt cn- cna cnc cnm cnn cno cns cnt co- coa coc com con coo cos cot csa csc csm csn cso css cst cta ctc ctm ctn cto cts ctt m-o maa mac mam man mao mas mat mc- mca mcc mcm mcn mco mcs mct mma mmc mmm mmn mmo mms mmt mna mnc mnm mnn mno mns mnt moa moc mom mon moo mos mot msa msc msm msn mso mss mst mta mtc mtm mtn mto mts mtt naa nac nam nan nao nas nat nca ncc ncm ncn nco ncs nct nma nmc nmm nmn nmo nms nmt nna nnc nnm nnn nno nns nnt no- noa noc nom non noo nos not nsa nsc nsm nsn nso nss nst nta ntc ntm ntn nto nts ntt oaa oac oam oan oao oas oat oc- oca occ ocm ocn oco ocs oct om- oma omc omm omn omo oms omt on- ona onc onn ono ons ont oo- ooa ooc oom oon ooo oos oot os- osa osc osm osn oso oss ost ot- ota otc otm otn oto ots ott saa sac sam san sao sas sat sca scc scm scn sco scs sct sma smc smm smn smo sms smt sna snc snm snn sno sns snt soa soc som son soo sos sot ss- ssa ssc ssm ssn sso sss sst sta stc stm stn sto sts stt taa tac tam tan tao tas tat tca tcc tcm tcn tco tcs tct tma tmc tmm tmn tmo tms tmt tna tnc tnm tnn tno tns tnt to- toa toc tom ton too tos tot tsa tsc tsm tsn tso tss tst tta ttc ttm ttn tto tts ttt