-ic a-a a-c a-i aaa aac aaf aai aak aao aav ac- aca acc acf aci ack aco acv af- afa afc aff afi afk afo afv ai- aia aic aif aii aik aio aiv aka akc aki akk ako akv aoa aoc aof aoi aok aoo aov av- ava avc avf avi avk avo c-- caa cac caf cai cak cao cav cca ccc ccf cci cck cco ccv cfa cfc cff cfi cfk cfo cfv ci- cia cic cif cii cik cio civ cka ckc cki cko co- coa coc cof coi cok coo cov cva cvc cvf cvi cvk cvo cvv faa fac faf fai fak fao fav fca fcc fcf fci fck fco fcv ffa ffc fff ffi ffk ffo ffv fia fic fif fii fik fka fkc fkf fki fkk foa foc fof foi fok foo fva fvc fvk i-f i-v ia- iaa iac iaf iai iao iav ica icc icf ici ick ico icv ifa ifc iff ifi ifo iia iic iif iii iio ika ikc ikf iki ikk iko ikv io- ioa ioc iof ioi ioo iov iva ivc ivf ivi ivo ivv ka- kaa kac kaf kai kak kao kav kca kcc kci kck kfa kfc kff kfi kfo kia kic kif kii kik kio kiv kkc kki kkk kkv koa koc kof koi kok koo kva kvi kvk kvo kvv o-i oaa oac oaf oai oak oao oav oc- oca occ ocf oci ock oco ocv of- ofa ofc off ofi ofo ofv oia oic oif oii oik oio oiv oka okc oki okk oko oo- ooa ooc oof ooi ook ooo oov ov- ova ovc ovf ovi ovo ovv v-a vaa vac vai vak vao vav vca vcc vcf vci vco vfa vfc vff vfi vfv vi- via vic vif vii vik vio viv vka voa voc vof voi vok voo vov vva vvc vvi vvo vvv