a-a a-c aaa aac aam aao aar aas aax aay ac- aca acc acm aco acr acs acx acy ama amc amm amo amr ams amx amy aoa aoc aom aoo aor aos aox ar- ara arc arm aro arr ars arx ary as- asa asc asm aso asr ass asx asy ax- axa axm axo axr axs axx ay- aya ayc ayo ayr ays ayx c-- caa cac cam cao car cas cax cay cca ccc ccm cco ccr ccs ccx cma cmc cmm cmo cmr cms cmx cmy co- coa coc com coo cor cos cox coy cra crc crm cro crr crs crx cry csa csc csm cso csr css csx csy cxc cxo cxr cxs cxx cya cyc cym cyo cyr cys m-o m-r maa mac mam mao mar mas max may mc- mca mcc mcm mco mcr mcs mcx mma mmc mmm mmo mmr mms mmx moa moc mom moo mor mos mox moy mra mrc mrm mro mrr mrs mrx mry msa msc msm mso msr mss msx msy mxa mxc mxr mxs my- mya myc mym myo myr mys myx oaa oac oam oao oar oas oax oc- oca occ ocm oco ocr ocs ocx om- oma omc omm omo omr oms omx omy oo- ooa ooc oom ooo oor oos oox or- ora orc orm oro orr ors orx ory os- osa osc osm oso osr oss osx ox- oxa oxc oxo oxx oxy oya oyo oys ra- raa rac ram rao rar ras rax ray rca rcc rcm rco rcr rcs rcx rma rmc rmm rmo rmr rms rmx roa roc rom roo ror ros rox roy rra rrc rrm rrr rrs rsa rsc rsm rso rsr rss rsx rxr rxs ry- rya ryc rym ryo ryr rys ryy saa sac sam sao sar sas sax say sca scc scm sco scr scs scx sma smc smm smo smr sms smx smy soa soc som soo sor sos sox soy sr- sra src srm sro srr srs srx sry ss- ssa ssc ssm sso ssr sss ssx sxc sxm sxs sy- sya syc sym syr sys syx xaa xac xam xar xas xcr xcx xma xmc xmm xmo xmr xms xmx xoa xoc xom xoo xor xos xox xrc xrx xry xsa xsc xsm xss xxo xxx xxy xyr xyy yaa yac yam yao yar yas yax yay yca ycc yco ycs ycy yma ymc ymm ymo yms yoc yom yoo yor yos yox yoy yra yrc yro yrs ysa ysc ysm yso ysr yss ysy yxa yxy yyc yys yyy