a-a a-c aaa aac aah aan aap aas ac- aca acc ach acn acp acs aha ahc ahh ahn ahp ahs an- ana anc anh ann anp ans ap- apa apc aph apn app aps as- asa asc ash asn asp ass c-- caa cac cah can cap cas cca ccc cch ccn ccp ccs ch- cha chc chh chn chp chs cn- cna cnc cnh cnn cnp cns cpa cpc cph cpn cpp cps csa csc csh csn csp css haa hac hah han hap has hca hcc hch hcn hcp hcs hha hhc hhh hhn hhp hhs hna hnc hnh hnn hns hpa hpc hph hpn hpp hps hsa hsc hsh hsn hsp hss naa nac nah nan nap nas nca ncc nch ncn ncp ncs nha nhc nhh nhn nhp nhs nna nnc nnh nnn nnp nns npa npc nph npn npp nps nsa nsc nsh nsn nsp nss p-p paa pac pah pan pap pas pca pcc pch pcn pcp pcs pha phc phn php phs pn- pna pnc pnh pnn pnp pns ppa ppc pph ppn ppp pps ps- psa psc psh psn psp pss saa sac sah san sap sas sca scc sch scn scp scs sh- sha shc shh shn shp shs sna snc snn snp sns spa spc sph spn spp sps ss- ssa ssc ssh ssn ssp sss