-ic a-a a-b a-c a-i a-t aaa aab aac aai aat aau aav ab- aba abb abc abi abt abu abv ac- aca acb acc aci act acu acv ai- aia aib aic aii ait aiu aiv at- ata atb atc ati att atu atv au- aua aub auc aui aut auv av- ava avb avc avi avt avu b-u baa bab bac bai bat bau bav bba bbb bbc bbi bbt bbu bca bcb bcc bci bct bcu bcv bi- bia bib bic bii bit biu biv bta btb btc bti btt btu btv bua bub buc bui but buu bva bvb bvc bvi bvt bvu bvv c-- caa cab cac cai cat cau cav cba cbb cbc cbi cbt cbu cbv cca ccb ccc cci cct ccu ccv ci- cia cib cic cii cit ciu civ cta ctb ctc cti ctt ctu ctv cua cub cuc cui cut cuu cuv cva cvb cvc cvi cvt cvu cvv i-v ia- iaa iab iac iai iat iau iav iba ibb ibc ibi ibt ibu ibv ica icb icc ici ict icu icv iia iib iic iii iit iiu ita itb itc iti itt itu itv iu- iua iub iuc iui iut iva ivb ivc ivi ivt ivu ivv taa tab tac tai tat tau tav tba tbb tbc tbi tbt tbu tbv tca tcb tcc tci tct tcu tcv tia tib tic tii tit tiu tiv tta ttb ttc tti ttt ttu ttv tua tub tuc tui tut tuu tuv tva tvb tvc tvi tvt tvu ua- uaa uab uac uai uat uau uav uba ubb ubc ubi ubt ubu ubv uca ucb ucc uci uct ucu ucv uia uib uic uii uit uiu uta utb utc uti utt utu utv uua uuc uut uuu uva uvb uvc uvu uvv v-a vaa vab vac vai vat vau vav vba vbc vbi vbv vca vcc vci vct vcu vi- via vib vic vii vit viu viv vta vtb vtc vti vtt vtu vtv vut vuv vva vvb vvc vvi vvt vvv