a-a a-c a-t aaa aac aam aap aas aat aax ac- aca acc acm acp acs act acx ama amc amm amp ams amt amx ap- apa apc apm app aps apt apx as- asa asc asm asp ass ast asx at- ata atc atm atp ats att atx ax- axa axm axp axs axt axx c-- caa cac cam cap cas cat cax cca ccc ccm ccp ccs cct ccx cma cmc cmm cmp cms cmt cmx cpa cpc cpm cpp cps cpt cpx csa csc csm csp css cst csx cta ctc ctm ctp cts ctt ctx cxc cxp cxs cxt cxx maa mac mam map mas mat max mc- mca mcc mcm mcp mcs mct mcx mma mmc mmm mmp mms mmt mmx mpa mpc mpm mpp mps mpt mpx msa msc msm msp mss mst msx mta mtc mtm mtp mts mtt mtx mxa mxc mxp mxs p-p paa pac pam pap pas pat pax pca pcc pcm pcp pcs pct pcx pma pmc pmm pmp pms pmt pmx ppa ppc ppm ppp pps ppt ppx ps- psa psc psm psp pss pst psx pt- pta ptc ptm ptp pts ptt ptx pxc pxm pxs pxt saa sac sam sap sas sat sax sca scc scm scp scs sct scx sma smc smm smp sms smt smx spa spc spm spp sps spt spx ss- ssa ssc ssm ssp sss sst ssx sta stc stm stp sts stt stx sxc sxm sxs sxt t-x taa tac tam tap tas tat tax tca tcc tcm tcp tcs tct tcx tma tmc tmm tmp tms tmt tmx tpa tpc tpm tpp tps tpt tpx tsa tsc tsm tsp tss tst tsx tta ttc ttm ttp tts ttt ttx txs txt xaa xac xam xap xas xat xcp xcx xma xmc xmm xmp xms xmt xmx xpa xpc xpm xpp xps xpt xsa xsc xsm xsp xss xst xtc xtm xtp xts xtx xxp xxx