a-a a-t aaa aam aao aas aat aax aay ama amm amo ams amt amx amy aoa aom aoo aos aot aox as- asa asm aso ass ast asx asy at- ata atm ato ats att atx ax- axa axm axo axs axt axx ay- aya ayo ays ayt ayx m-o maa mam mao mas mat max may mma mmm mmo mms mmt mmx moa mom moo mos mot mox moy msa msm mso mss mst msx msy mta mtm mto mts mtt mtx mxa mxs my- mya mym myo mys myt myx oaa oam oao oas oat oax om- oma omm omo oms omt omx omy oo- ooa oom ooo oos oot oox os- osa osm oso oss ost osx ot- ota otm oto ots ott ox- oxa oxo oxt oxx oxy oya oyo oys saa sam sao sas sat sax say sma smm smo sms smt smx smy soa som soo sos sot sox soy ss- ssa ssm sso sss sst ssx sta stm sto sts stt stx sty sxm sxs sxt sy- sya sym sys syt syx t-x taa tam tao tas tat tax tay tma tmm tmo tms tmt tmx tmy to- toa tom too tos tot tox toy tsa tsm tso tss tst tsx tsy tta ttm tto tts ttt ttx tty txs txt tya tym tyo tys tyt xaa xam xas xat xma xmm xmo xms xmt xmx xoa xom xoo xos xot xox xsa xsm xss xst xtm xts xtx xty xxo xxx xxy xyy yaa yam yao yas yat yax yay yma ymm ymo yms ymt yom yoo yos yot yox yoy ysa ysm yso yss yst ysy yta ytm yto yts ytt yxa yxy yys yyt yyy