a-a a-c aaa aac aah aak aan aar aas ac- aca acc ach ack acn acr acs aha ahc ahh ahk ahn ahr ahs aka akc akh akk akn akr aks an- ana anc anh ank ann anr ans ar- ara arc arh ark arn arr ars as- asa asc ash ask asn asr ass c-- caa cac cah cak can car cas cca ccc cch cck ccn ccr ccs ch- cha chc chh chk chn chr chs cka ckc ckh cks cn- cna cnc cnh cnn cnr cns cra crc crh crk crn crr crs csa csc csh csk csn csr css haa hac hah hak han har has hca hcc hch hck hcn hcr hcs hha hhc hhh hhk hhn hhr hhs hka hkh hkk hkn hkr hks hna hnc hnh hnk hnn hns hr- hra hrc hrh hrk hrn hrr hrs hsa hsc hsh hsk hsn hsr hss ka- kaa kac kah kak kan kar kas kca kcc kch kck kcn kcr kcs kha khh khk khn khr khs kkc kkh kkk kkn kkr kks kn- kna knc knk knn knr kra krc krk krn krr krs ksa ksc ksh ksk ksn ksr kss naa nac nah nak nan nar nas nca ncc nch nck ncn ncr ncs nha nhc nhh nhk nhn nhr nhs nka nkc nkk nkn nkr nks nna nnc nnh nnk nnn nns nra nrc nrk nrn nrr nrs nsa nsc nsh nsk nsn nsr nss ra- raa rac rah rak ran rar ras rca rcc rch rcn rcr rcs rh- rha rhc rhh rhn rhr rhs rkc rkk rks rna rnc rnh rnn rnr rns rra rrc rrh rrk rrn rrr rrs rsa rsc rsh rsk rsn rsr rss saa sac sah sak san sar sas sca scc sch sck scn scr scs sh- sha shc shh shk shn shr shs sk- ska skc skh skk skr sks sna snc snk snn snr sns sr- sra src srh srk srn srr srs ss- ssa ssc ssh ssk ssn ssr sss