-ic a-a a-c a-i aaa aac aah aai aak aao aar aas ac- aca acc ach aci ack aco acr acs aha ahc ahh ahi ahk aho ahr ahs ai- aia aic aih aii aik aio air ais aka akc akh aki akk ako akr aks aoa aoc aoh aoi aok aoo aor aos ar- ara arc arh ari ark aro arr ars as- asa asc ash asi ask aso asr ass c-- caa cac cah cai cak cao car cas cca ccc cch cci cck cco ccr ccs ch- cha chc chh chi chk cho chr chs ci- cia cic cih cii cik cio cir cis cka ckc ckh cki cko cks co- coa coc coh coi cok coo cor cos cra crc crh cri crk cro crr crs csa csc csh csi csk cso csr css h-i haa hac hah hai hak hao har has hca hcc hch hci hck hco hcr hcs hha hhc hhh hhi hhk hho hhr hhs hia hic hih hii hik hio hir his hka hkh hki hkk hko hkr hks hoa hoc hoh hoi hok hoo hor hos hr- hra hrc hrh hri hrk hro hrr hrs hsa hsc hsh hsi hsk hsr hss ia- iaa iac iah iai iao iar ias ica icc ich ici ick ico icr ics iha ihc ihh ihi ihk iho ihr ihs iia iic iih iii iio iir iis ika ikc iki ikk iko ikr iks io- ioa ioc ioh ioi ioo ior ios ir- ira irc iri irk iro irr irs is- isa isc ish isi isk iso isr iss ka- kaa kac kah kai kak kao kar kas kca kcc kch kci kck kcr kcs kha khh khi khk kho khr khs kia kic kih kii kik kio kir kis kkc kkh kki kkk kkr kks koa koc koh koi kok koo kor kos kra krc kri krk kro krr krs ksa ksc ksh ksi ksk kso ksr kss o-i oaa oac oah oai oak oao oar oas oc- oca occ och oci ock oco ocr ocs oha ohc ohh ohi oho ohr ohs oia oic oii oik oio oir ois oka okc oki okk oko okr oks oo- ooa ooc ooh ooi ook ooo oor oos or- ora orc orh ori ork oro orr ors os- osa osc osh osi osk oso osr oss ra- raa rac rah rai rak rao rar ras rca rcc rch rci rco rcr rcs rh- rha rhc rhh rhi rho rhr rhs ria ric rih rii rik rio rir ris rkc rkk rko rks roa roc roh roi rok roo ror ros rra rrc rrh rri rrk rrr rrs rsa rsc rsh rsi rsk rso rsr rss saa sac sah sai sak sao sar sas sca scc sch sci sck sco scr scs sh- sha shc shh shi shk sho shr shs sia sic sih sii sik sio sir sis sk- ska skc skh ski skk sko skr sks soa soc soh soi sok soo sor sos sr- sra src srh sri srk sro srr srs ss- ssa ssc ssh ssi ssk sso ssr sss