-ic a-a a-b a-c a-i aaa aab aac aai aak aar aav ab- aba abb abc abi abk abr abv ac- aca acb acc aci ack acr acv ai- aia aib aic aii aik air aiv aka akb akc aki akk akr akv ar- ara arb arc ari ark arr arv av- ava avb avc avi avk avr baa bab bac bai bak bar bav bba bbb bbc bbi bbk bbr bca bcb bcc bci bck bcr bcv bi- bia bib bic bii bik bir biv bka bkb bkc bkk bkr bkv bra brb bri brk brr brv bva bvb bvc bvi bvk bvr bvv c-- caa cab cac cai cak car cav cba cbb cbc cbi cbk cbr cbv cca ccb ccc cci cck ccr ccv ci- cia cib cic cii cik cir civ cka ckb ckc cki cra crb crc cri crk crr crv cva cvb cvc cvi cvk cvr cvv i-v ia- iaa iab iac iai iar iav iba ibb ibc ibi ibk ibr ibv ica icb icc ici ick icr icv iia iib iic iii iir ika ikb ikc iki ikk ikr ikv ir- ira irb irc iri irk irr irv iva ivb ivc ivi ivr ivv ka- kaa kab kac kai kak kar kav kba kbb kbc kbi kbk kbr kca kcb kcc kci kck kcr kia kib kic kii kik kir kiv kkb kkc kki kkk kkr kkv kra krc kri krk krr krv kva kvb kvi kvk kvr kvv ra- raa rab rac rai rak rar rav rba rbb rbc rbi rbk rbr rca rcb rcc rci rcr rcv ria rib ric rii rik rir riv rkb rkc rkk rkv rra rrb rrc rri rrk rrr rva rvb rvc rvi rvr rvv v-a vaa vab vac vai vak var vav vba vbc vbi vbk vbr vbv vca vcc vci vcr vi- via vib vic vii vik vir viv vka vkb vra vrb vrc vri vrk vrr vva vvb vvc vvi vvr vvv