a-a a-c aaa aac aah aan aao aap aar aas ac- aca acc ach acn aco acp acr acs aha ahc ahh ahn aho ahp ahr ahs an- ana anc anh ann ano anp anr ans aoa aoc aoh aon aoo aop aor aos ap- apa apc aph apn apo app apr aps ar- ara arc arh arn aro arp arr ars as- asa asc ash asn aso asp asr ass c-- caa cac cah can cao cap car cas cca ccc cch ccn cco ccp ccr ccs ch- cha chc chh chn cho chp chr chs cn- cna cnc cnh cnn cno cnp cnr cns co- coa coc coh con coo cop cor cos cpa cpc cph cpn cpo cpp cpr cps cra crc crh crn cro crp crr crs csa csc csh csn cso csp csr css haa hac hah han hao hap har has hca hcc hch hcn hco hcp hcr hcs hha hhc hhh hhn hho hhp hhr hhs hna hnc hnh hnn hno hns hoa hoc hoh hon hoo hop hor hos hpa hpc hph hpn hpo hpp hpr hps hr- hra hrc hrh hrn hro hrp hrr hrs hsa hsc hsh hsn hsp hsr hss naa nac nah nan nao nap nar nas nca ncc nch ncn nco ncp ncr ncs nha nhc nhh nhn nhp nhr nhs nna nnc nnh nnn nno nnp nns no- noa noc noh non noo nop nor nos npa npc nph npn npo npp npr nps nra nrc nrn nro nrp nrr nrs nsa nsc nsh nsn nso nsp nsr nss oaa oac oah oan oao oap oar oas oc- oca occ och ocn oco ocp ocr ocs oha ohc ohh ohn oho ohp ohr ohs on- ona onc onh onn ono onp onr ons oo- ooa ooc ooh oon ooo oop oor oos op- opa opc oph opn opo opp opr ops or- ora orc orh orn oro orp orr ors os- osa osc osh osn oso osp osr oss p-p paa pac pah pan pao pap par pas pca pcc pch pcn pco pcp pcr pcs pha phc phn pho php phr phs pn- pna pnc pnh pnn pno pnp pnr pns poa poc poh pon poo pop por pos ppa ppc pph ppn ppo ppp ppr pps pra prc prh prn pro prp prr prs ps- psa psc psh psn pso psp psr pss ra- raa rac rah ran rao rap rar ras rca rcc rch rcn rco rcp rcr rcs rh- rha rhc rhh rhn rho rhp rhr rhs rna rnc rnh rnn rno rnp rnr rns roa roc roh ron roo rop ror ros rpa rpc rph rpn rpo rpp rpr rps rra rrc rrh rrn rrp rrr rrs rsa rsc rsh rsn rso rsp rsr rss saa sac sah san sao sap sar sas sca scc sch scn sco scp scr scs sh- sha shc shh shn sho shp shr shs sna snc snn sno snp snr sns soa soc soh son soo sop sor sos spa spc sph spn spo spp spr sps sr- sra src srh srn sro srp srr srs ss- ssa ssc ssh ssn sso ssp ssr sss