-ic a-a a-c a-i a-t aaa aac aai aan aao aat ac- aca acc aci acn aco act ai- aia aic aii ain aio ait an- ana anc ani ann ano ant aoa aoc aoi aon aoo aot at- ata atc ati atn ato att c-- caa cac cai can cao cat cca ccc cci ccn cco cct ci- cia cic cii cin cio cit cn- cna cnc cni cnn cno cnt co- coa coc coi con coo cot cta ctc cti ctn cto ctt ia- iaa iac iai ian iao iat ica icc ici icn ico ict iia iic iii iin iio iit in- ina inc ini inn ino int io- ioa ioc ioi ion ioo iot ita itc iti itn ito itt n-i naa nac nai nan nao nat nca ncc nci ncn nco nct nia nic nii nin nio nit nna nnc nni nnn nno nnt no- noa noc noi non noo not nta ntc nti ntn nto ntt o-i oaa oac oai oan oao oat oc- oca occ oci ocn oco oct oia oic oii oin oio oit on- ona onc oni onn ono ont oo- ooa ooc ooi oon ooo oot ot- ota otc oti otn oto ott taa tac tai tan tao tat tca tcc tci tcn tco tct tia tic tii tin tio tit tna tnc tni tnn tno tnt to- toa toc toi ton too tot tta ttc tti ttn tto ttt