a-a a-c aaa aac aae aaj aao aav ac- aca acc ace acj aco acv aea aec aee aej aeo aev aja ajc aje ajj ajo aoa aoc aoe aoj aoo aov av- ava avc ave avo c-- c-j caa cac cae caj cao cav cca ccc cce ccj cco ccv ce- cea cec cee cej ceo cev cja cjc co- coa coc coe coj coo cov cva cvc cve cvo cvv eaa eac eae eaj eao eav ec- eca ecc ece ecj eco ecv eea eec eee eeo eev eja ejc ejo eo- eoa eoc eoe eoo eva evc eve evo evv jaa jac jae jaj jao jav jca jcc jce jco jea jec jee jej jeo jja jjc jjj joa joc joe joj joo jvc oaa oac oae oaj oao oav oc- oca occ ocj oco ocv oea oec oee oeo oja ojc oje ojo oo- ooa ooc ooo oov ov- ova ovc ove ovo ovv v-a v-e vaa vac vae vaj vao vav vca vcc vce vco vea vec vee veo vja voa voc voe voo vov vva vvc vvo vvv