-th a-a a-c a-t aaa aac aah aan aap aas aat ac- aca acc ach acn acp acs act aha ahc ahh ahn ahp ahs aht an- ana anc anh ann anp ans ant ap- apa apc aph apn app aps apt as- asa asc ash asn asp ass ast at- ata atc ath atn atp ats att c-- caa cac cah can cap cas cat cca ccc cch ccn ccp ccs cct ch- cha chc chh chn chp chs cht cn- cna cnc cnh cnn cnp cns cnt cpa cpc cph cpn cpp cps cpt csa csc csh csn csp css cst cta ctc cth ctn ctp cts ctt haa hac hah han hap has hat hca hcc hch hcn hcp hcs hct hha hhc hhh hhn hhp hhs hht hna hnc hnh hnn hns hnt hpa hpc hph hpn hpp hps hpt hsa hsc hsh hsn hsp hss hst hta htc hth htn htp hts htt naa nac nah nan nap nas nat nca ncc nch ncn ncp ncs nct nha nhc nhh nhn nhp nhs nht nna nnc nnh nnn nnp nns nnt npa npc nph npn npp nps npt nsa nsc nsh nsn nsp nss nst nta ntc nth ntn ntp nts ntt p-p paa pac pah pan pap pas pat pca pcc pch pcn pcp pcs pct pha phc phn php phs pht pn- pna pnc pnh pnn pnp pns pnt ppa ppc pph ppn ppp pps ppt ps- psa psc psh psn psp pss pst pt- pta ptc pth ptn ptp pts ptt saa sac sah san sap sas sat sca scc sch scn scp scs sct sh- sha shc shh shn shp shs sht sna snc snn snp sns snt spa spc sph spn spp sps spt ss- ssa ssc ssh ssn ssp sss sst sta stc sth stn stp sts stt taa tac tah tan tap tas tat tca tcc tch tcn tcp tcs tct th- tha thc thh thn thp ths tht tna tnc tnh tnn tnp tns tnt tpa tpc tph tpn tpp tps tpt tsa tsc tsh tsn tsp tss tst tta ttc tth ttn ttp tts ttt