-ic a-a a-b a-c a-i aaa aab aac aai aak aau aav ab- aba abb abc abi abk abu abv ac- aca acb acc aci ack acu acv ai- aia aib aic aii aik aiu aiv aka akb akc aki akk aku akv au- aua aub auc aui auk auv av- ava avb avc avi avk avu b-u baa bab bac bai bak bau bav bba bbb bbc bbi bbk bbu bca bcb bcc bci bck bcu bcv bi- bia bib bic bii bik biu biv bka bkb bkc bkk bkv bua bub buc bui buk buu bva bvb bvc bvi bvk bvu bvv c-- caa cab cac cai cak cau cav cba cbb cbc cbi cbk cbu cbv cca ccb ccc cci cck ccu ccv ci- cia cib cic cii cik ciu civ cka ckb ckc cki cua cub cuc cui cuk cuu cuv cva cvb cvc cvi cvk cvu cvv i-v ia- iaa iab iac iai iau iav iba ibb ibc ibi ibk ibu ibv ica icb icc ici ick icu icv iia iib iic iii iiu ika ikb ikc iki ikk iku ikv iu- iua iub iuc iui iva ivb ivc ivi ivu ivv ka- kaa kab kac kai kak kau kav kba kbb kbc kbi kbk kbu kca kcb kcc kci kck kcu kia kib kic kii kik kiu kiv kkb kkc kki kkk kku kkv kub kuc kui kuk kuu kva kvb kvi kvk kvv ua- uaa uab uac uai uak uau uav uba ubb ubc ubi ubk ubu ubv uca ucb ucc uci uck ucu ucv uia uib uic uii uiu uka ukb ukc uki ukk uku uua uuc uuu uva uvb uvc uvu uvv v-a vaa vab vac vai vak vau vav vba vbc vbi vbk vbv vca vcc vci vcu vi- via vib vic vii vik viu viv vka vkb vuk vuv vva vvb vvc vvi vvv