a-a a-c aaa aac aaf aah aam aan aao aas ac- aca acc acf ach acm acn aco acs af- afa afc aff afh afm afn afo afs aha ahc ahf ahh ahm ahn aho ahs ama amc amf amh amm amn amo ams an- ana anc anf anh anm ann ano ans aoa aoc aof aoh aom aon aoo aos as- asa asc asf ash asm asn aso ass c-- caa cac caf cah cam can cao cas cca ccc ccf cch ccm ccn cco ccs cfa cfc cff cfh cfm cfn cfo cfs ch- cha chc chf chh chm chn cho chs cma cmc cmf cmh cmm cmn cmo cms cn- cna cnc cnf cnh cnm cnn cno cns co- coa coc cof coh com con coo cos csa csc csf csh csm csn cso css faa fac faf fah fam fan fao fas fca fcc fcf fcm fcn fco fcs ffa ffc fff ffh ffm ffn ffo ffs fha fhc fhf fhh fhm fhn fho fhs fma fmc fmf fmh fmm fmn fmo fms fna fnc fnf fnh fnm fnn fns foa foc fof foh fom fon foo fos fsa fsc fsf fsh fsm fsn fso fss haa hac haf hah ham han hao has hca hcc hcf hch hcm hcn hco hcs hfa hfc hff hfh hfm hfn hfo hfs hha hhc hhf hhh hhm hhn hho hhs hma hmc hmf hmh hmm hmo hms hna hnc hnf hnh hnn hno hns hoa hoc hof hoh hom hon hoo hos hsa hsc hsf hsh hsm hsn hss m-f m-o maa mac maf mah mam man mao mas mc- mca mcc mcf mch mcm mcn mco mcs mfa mfc mff mfh mfm mfn mfo mfs mha mhc mhf mhh mhm mhn mho mhs mma mmc mmf mmh mmm mmn mmo mms mna mnc mnf mnm mnn mno mns moa moc mof moh mom mon moo mos msa msc msf msh msm msn mso mss naa nac naf nah nam nan nao nas nca ncc ncf nch ncm ncn nco ncs nfa nfc nff nfn nfo nfs nha nhc nhf nhh nhm nhn nhs nma nmc nmh nmm nmn nmo nms nna nnc nnf nnh nnm nnn nno nns no- noa noc nof noh nom non noo nos nsa nsc nsf nsh nsm nsn nso nss oaa oac oaf oah oam oan oao oas oc- oca occ ocf och ocm ocn oco ocs of- ofa ofc off ofm ofn ofo ofs oha ohc ohf ohh ohm ohn oho ohs om- oma omc omf omh omm omn omo oms on- ona onc onf onh onn ono ons oo- ooa ooc oof ooh oom oon ooo oos os- osa osc osf osh osm osn oso oss saa sac saf sah sam san sao sas sca scc scf sch scm scn sco scs sfa sfc sff sfh sfm sfn sfo sfs sh- sha shc shf shh shm shn sho shs sma smc smf smh smm smn smo sms sna snc snf snm snn sno sns soa soc sof soh som son soo sos ss- ssa ssc ssf ssh ssm ssn sso sss