-ic a-a a-c a-i aaa aac aah aai aak aao aar ac- aca acc ach aci ack aco acr aha ahc ahh ahi ahk aho ahr ai- aia aic aih aii aik aio air aka akc akh aki akk ako akr aoa aoc aoh aoi aok aoo aor ar- ara arc arh ari ark aro arr c-- caa cac cah cai cak cao car cca ccc cch cci cck cco ccr ch- cha chc chh chi chk cho chr ci- cia cic cih cii cik cio cir cka ckc ckh cki cko co- coa coc coh coi cok coo cor cra crc crh cri crk cro crr h-i haa hac hah hai hak hao har hca hcc hch hci hck hco hcr hha hhc hhh hhi hhk hho hhr hia hic hih hii hik hio hir hka hkh hki hkk hko hkr hoa hoc hoh hoi hok hoo hor hr- hra hrc hrh hri hrk hro hrr ia- iaa iac iah iai iao iar ica icc ich ici ick ico icr iha ihc ihh ihi ihk iho ihr iia iic iih iii iio iir ika ikc iki ikk iko ikr io- ioa ioc ioh ioi ioo ior ir- ira irc iri irk iro irr ka- kaa kac kah kai kak kao kar kca kcc kch kci kck kcr kha khh khi khk kho khr kia kic kih kii kik kio kir kkc kkh kki kkk kkr koa koc koh koi kok koo kor kra krc kri krk kro krr o-i oaa oac oah oai oak oao oar oc- oca occ och oci ock oco ocr oha ohc ohh ohi oho ohr oia oic oii oik oio oir oka okc oki okk oko okr oo- ooa ooc ooh ooi ook ooo oor or- ora orc orh ori ork oro orr ra- raa rac rah rai rak rao rar rca rcc rch rci rco rcr rh- rha rhc rhh rhi rho rhr ria ric rih rii rik rio rir rkc rkk rko roa roc roh roi rok roo ror rra rrc rrh rri rrk rrr