a-a a-c aaa aac aak aam aan aap aas ac- aca acc ack acm acn acp acs aka akc akk akm akn akp aks ama amc amk amm amn amp ams an- ana anc ank anm ann anp ans ap- apa apc apk apm apn app aps as- asa asc ask asm asn asp ass c-- caa cac cak cam can cap cas cca ccc cck ccm ccn ccp ccs cka ckc ckm cks cma cmc cmk cmm cmn cmp cms cn- cna cnc cnm cnn cnp cns cpa cpc cpk cpm cpn cpp cps csa csc csk csm csn csp css ka- kaa kac kak kam kan kap kas kca kcc kck kcm kcn kcp kcs kkc kkk kkm kkn kkp kks kma kmc kmk kmm kmp kms kn- kna knc knk knm knn knp kpa kpc kpk kpm kpn kpp kps ksa ksc ksk ksm ksn ksp kss maa mac mak mam man map mas mc- mca mcc mck mcm mcn mcp mcs mka mkc mkk mkm mkn mkp mks mma mmc mmk mmm mmn mmp mms mna mnc mnk mnm mnn mnp mns mpa mpc mpk mpm mpn mpp mps msa msc msk msm msn msp mss naa nac nak nam nan nap nas nca ncc nck ncm ncn ncp ncs nka nkc nkk nkm nkn nkp nks nma nmc nmk nmm nmn nmp nms nna nnc nnk nnm nnn nnp nns npa npc npm npn npp nps nsa nsc nsk nsm nsn nsp nss p-p paa pac pak pam pan pap pas pca pcc pck pcm pcn pcp pcs pka pkc pkm pkn pkp pks pma pmc pmk pmm pmn pmp pms pn- pna pnc pnk pnm pnn pnp pns ppa ppc ppk ppm ppn ppp pps ps- psa psc psk psm psn psp pss saa sac sak sam san sap sas sca scc sck scm scn scp scs sk- ska skc skk skm skp sks sma smc smk smm smn smp sms sna snc snk snm snn snp sns spa spc spk spm spn spp sps ss- ssa ssc ssk ssm ssn ssp sss