-er -ic a-a a-c a-i aaa aac aae aai aak aar aav ac- aca acc ace aci ack acr acv aea aec aee aei aek aer aev ai- aia aic aie aii aik air aiv aka akc ake aki akk akr akv ar- ara arc are ari ark arr arv av- ava avc ave avi avk avr c-- caa cac cae cai cak car cav cca ccc cce cci cck ccr ccv ce- cea cec cee cei cek cer cev ci- cia cic cie cii cik cir civ cka ckc cki cra crc cre cri crk crr crv cva cvc cve cvi cvk cvr cvv eaa eac eae eai eak ear eav ec- eca ecc ece eci eck ecr ecv eea eec eee eek eer eev eia eic eie eii eik eir eiv eka ekc eke eki ekr ekv era erc ere eri erk err erv eva evc eve evi evr evv i-v ia- iaa iac iae iai iar iav ica icc ice ici ick icr icv ie- iea iec iee iei iek ier iev iia iic iie iii iir ika ikc ike iki ikk ikr ikv ir- ira irc ire iri irk irr irv iva ivc ive ivi ivr ivv ka- kaa kac kae kai kak kar kav kca kcc kce kci kck kcr ke- kea kec kee kei kek ker kev kia kic kie kii kik kir kiv kkc kke kki kkk kkr kkv kra krc kri krk krr krv kva kvi kvk kvr kvv ra- raa rac rae rai rak rar rav rca rcc rce rci rcr rcv re- rea rec ree rei rek rer rev ria ric rie rii rik rir riv rkc rke rkk rkv rra rrc rri rrk rrr rva rvc rve rvi rvr rvv v-a v-e vaa vac vae vai vak var vav vca vcc vce vci vcr vea vec vee vei vek ver vi- via vic vie vii vik vir viv vka vra vrc vre vri vrk vrr vva vvc vvi vvr vvv