-ic a-a a-c a-i aaa aac aah aai aao aar aas ac- aca acc ach aci aco acr acs aha ahc ahh ahi aho ahr ahs ai- aia aic aih aii aio air ais aoa aoc aoh aoi aoo aor aos ar- ara arc arh ari aro arr ars as- asa asc ash asi aso asr ass c-- caa cac cah cai cao car cas cca ccc cch cci cco ccr ccs ch- cha chc chh chi cho chr chs ci- cia cic cih cii cio cir cis co- coa coc coh coi coo cor cos cra crc crh cri cro crr crs csa csc csh csi cso csr css h-i haa hac hah hai hao har has hca hcc hch hci hco hcr hcs hha hhc hhh hhi hho hhr hhs hia hic hih hii hio hir his hoa hoc hoh hoi hoo hor hos hr- hra hrc hrh hri hro hrr hrs hsa hsc hsh hsi hsr hss ia- iaa iac iah iai iao iar ias ica icc ich ici ico icr ics iha ihc ihh ihi iho ihr ihs iia iic iih iii iio iir iis io- ioa ioc ioh ioi ioo ior ios ir- ira irc iri iro irr irs is- isa isc ish isi iso isr iss o-i oaa oac oah oai oao oar oas oc- oca occ och oci oco ocr ocs oha ohc ohh ohi oho ohr ohs oia oic oii oio oir ois oo- ooa ooc ooh ooi ooo oor oos or- ora orc orh ori oro orr ors os- osa osc osh osi oso osr oss ra- raa rac rah rai rao rar ras rca rcc rch rci rco rcr rcs rh- rha rhc rhh rhi rho rhr rhs ria ric rih rii rio rir ris roa roc roh roi roo ror ros rra rrc rrh rri rrr rrs rsa rsc rsh rsi rso rsr rss saa sac sah sai sao sar sas sca scc sch sci sco scr scs sh- sha shc shh shi sho shr shs sia sic sih sii sio sir sis soa soc soh soi soo sor sos sr- sra src srh sri sro srr srs ss- ssa ssc ssh ssi sso ssr sss