-ic a-a a-c a-i aaa aac aad aai aak aao aar ac- aca acc acd aci ack aco acr ad- ada adc add adi adk ado adr ai- aia aic aid aii aik aio air aka akc akd aki akk ako akr aoa aoc aod aoi aok aoo aor ar- ara arc ard ari ark aro arr c-- caa cac cad cai cak cao car cca ccc ccd cci cck cco ccr cda cdc cdd cdi cdk cdo cdr ci- cia cic cid cii cik cio cir cka ckc ckd cki cko co- coa coc cod coi cok coo cor cra crc crd cri crk cro crr daa dac dad dai dak dao dar dca dcc dcd dci dck dco dcr dda ddc ddd ddi ddk ddo ddr di- dia dic did dii dik dio dir dka dkc dki dkk dko dkr doa doc dod doi dok doo dor dra drc drd dri drk dro drr i-d ia- iaa iac iad iai iao iar ica icc icd ici ick ico icr ida idc idd idi idk ido idr iia iic iid iii iio iir ika ikc iki ikk iko ikr io- ioa ioc iod ioi ioo ior ir- ira irc ird iri irk iro irr ka- kaa kac kad kai kak kao kar kca kcc kcd kci kck kcr kda kdc kdk kdo kdr kia kic kid kii kik kio kir kkc kki kkk kkr koa koc kod koi kok koo kor kra krc krd kri krk kro krr o-i oaa oac oad oai oak oao oar oc- oca occ ocd oci ock oco ocr oda odc odd odi odo odr oia oic oid oii oik oio oir oka okc okd oki okk oko okr oo- ooa ooc ood ooi ook ooo oor or- ora orc ord ori ork oro orr ra- raa rac rad rai rak rao rar rca rcc rcd rci rco rcr rda rdc rdd rdi rdo rdr ria ric rid rii rik rio rir rkc rkk rko roa roc rod roi rok roo ror rra rrc rrd rri rrk rrr