a-a a-c aaa aac aam aao aap aar aax aay ac- aca acc acm aco acp acr acx acy ama amc amm amo amp amr amx amy aoa aoc aom aoo aop aor aox ap- apa apc apm apo app apr apx apy ar- ara arc arm aro arp arr arx ary ax- axa axm axo axp axr axx ay- aya ayc ayo ayp ayr ayx c-- caa cac cam cao cap car cax cay cca ccc ccm cco ccp ccr ccx cma cmc cmm cmo cmp cmr cmx cmy co- coa coc com coo cop cor cox coy cpa cpc cpm cpo cpp cpr cpx cra crc crm cro crp crr crx cry cxc cxo cxp cxr cxx cya cyc cym cyo cyp cyr m-o m-r maa mac mam mao map mar max may mc- mca mcc mcm mco mcp mcr mcx mma mmc mmm mmo mmp mmr mmx moa moc mom moo mop mor mox moy mpa mpc mpm mpo mpp mpr mpx mra mrc mrm mro mrp mrr mrx mry mxa mxc mxp mxr my- mya myc mym myo myr myx oaa oac oam oao oap oar oax oc- oca occ ocm oco ocp ocr ocx om- oma omc omm omo omp omr omx omy oo- ooa ooc oom ooo oop oor oox op- opa opc opm opo opp opr opx opy or- ora orc orm oro orp orr orx ory ox- oxa oxc oxo oxx oxy oya oyo p-p paa pac pam pao pap par pax pay pca pcc pcm pco pcp pcr pcx pma pmc pmm pmo pmp pmr pmx poa poc pom poo pop por pox poy ppa ppc ppm ppo ppp ppr ppx pra prc prm pro prp prr prx pry pxc pxm pxr py- pya pyc pym pyo pyr pyx ra- raa rac ram rao rap rar rax ray rca rcc rcm rco rcp rcr rcx rma rmc rmm rmo rmp rmr rmx roa roc rom roo rop ror rox roy rpa rpc rpm rpo rpp rpr rpx rra rrc rrm rrp rrr rxp rxr ry- rya ryc rym ryo ryr ryy xaa xac xam xap xar xcp xcr xcx xma xmc xmm xmo xmp xmr xmx xoa xoc xom xoo xop xor xox xpa xpc xpm xpo xpp xrc xrx xry xxo xxp xxx xxy xyp xyr xyy yaa yac yam yao yap yar yax yay yca ycc yco ycp ycy yma ymc ymm ymo yoc yom yoo yop yor yox yoy ypa ypo yra yrc yro yrp yxa yxy yyc yyy