a-a a-c aaa aac aak aam aao aap aas ac- aca acc ack acm aco acp acs aka akc akk akm ako akp aks ama amc amk amm amo amp ams aoa aoc aok aom aoo aop aos ap- apa apc apk apm apo app aps as- asa asc ask asm aso asp ass c-- caa cac cak cam cao cap cas cca ccc cck ccm cco ccp ccs cka ckc ckm cko cks cma cmc cmk cmm cmo cmp cms co- coa coc cok com coo cop cos cpa cpc cpk cpm cpo cpp cps csa csc csk csm cso csp css ka- kaa kac kak kam kao kap kas kca kcc kck kcm kcp kcs kkc kkk kkm kkp kks kma kmc kmk kmm kmo kmp kms koa koc kok kom koo kop kos kpa kpc kpk kpm kpo kpp kps ksa ksc ksk ksm kso ksp kss m-o maa mac mak mam mao map mas mc- mca mcc mck mcm mco mcp mcs mka mkc mkk mkm mko mkp mks mma mmc mmk mmm mmo mmp mms moa moc mok mom moo mop mos mpa mpc mpk mpm mpo mpp mps msa msc msk msm mso msp mss oaa oac oak oam oao oap oas oc- oca occ ock ocm oco ocp ocs oka okc okk oko okp oks om- oma omc omm omo omp oms oo- ooa ooc ook oom ooo oop oos op- opa opc opk opm opo opp ops os- osa osc osk osm oso osp oss p-p paa pac pak pam pao pap pas pca pcc pck pcm pco pcp pcs pka pkc pkm pko pkp pks pma pmc pmk pmm pmo pmp pms poa poc pok pom poo pop pos ppa ppc ppk ppm ppo ppp pps ps- psa psc psk psm pso psp pss saa sac sak sam sao sap sas sca scc sck scm sco scp scs sk- ska skc skk skm sko skp sks sma smc smk smm smo smp sms soa soc sok som soo sop sos spa spc spk spm spo spp sps ss- ssa ssc ssk ssm sso ssp sss