-ic a-a a-c a-i aaa aac aai aar aav ac- aca acc aci acr acv ai- aia aic aii air aiv ar- ara arc ari arr arv av- ava avc avi avr c-- caa cac cai car cav cca ccc cci ccr ccv ci- cia cic cii cir civ cra crc cri crr crv cva cvc cvi cvr cvv i-v ia- iaa iac iai iar iav ica icc ici icr icv iia iic iii iir ir- ira irc iri irr irv iva ivc ivi ivr ivv ra- raa rac rai rar rav rca rcc rci rcr rcv ria ric rii rir riv rra rrc rri rrr rva rvc rvi rvr rvv v-a vaa vac vai var vav vca vcc vci vcr vi- via vic vii vir viv vra vrc vri vrr vva vvc vvi vvr vvv