-ic a-a a-b a-c a-i aaa aab aac aai ab- aba abb abc abi ac- aca acb acc aci ai- aia aib aic aii baa bab bac bai bba bbb bbc bbi bca bcb bcc bci bi- bia bib bic bii c-- caa cab cac cai cba cbb cbc cbi cca ccb ccc cci ci- cia cib cic cii ia- iaa iab iac iai iba ibb ibc ibi ica icb icc ici iia iib iic iii

a-ii aaaa aaab aaac aaai aaba aabb aabc aabi aaca aacb aacc aaci aaib aaic aaii abaa abab abac abai abb- abba abbb abbi abca abcb abcc abci abia abib abic acaa acab acac acai acba acca accc acci aci- acia acic aiai aiba aica aicc aiia aiib aiic ba-i baaa baba babb babi bac- baca bacc baia baib baic bbbb bbci bcaa bcbc bcca bccc bcci bcia biba bibb bibi bica bicc bici caaa caab caac caba cabi cac- caca cacc caci caia caib caic cbac cbbc cbca cbcc cbia ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci ccic ccii ciaa ciba cibc cibi cica cicc cici ciia ciii iaaa iaac iaai iaba iaca iacc iaia ibac ibca ibia icaa icab icac icai icbc icca iccb iccc icci iiac iica iiii

-aaa- a-iii aaaai aabaa aabba aacbc aaiib abaab ababa abaca abaci abaia abbac abbai abbia abccc abici acaca acacb accia aiaia babai babia babic bacab bacca bacci bacia baiba baici bbiab bibia bibic c-a-c ca-ca caaba cabia cacia cacic caibi ccccc cccii cciii ciaci cicia ibaba ibiai iccia icica icici iiiac iiiii

aaaaba abacab abaiba acacia baabaa babici bacaba bacica baicai bbbbbb cabiai caccia cacica cibaca ibiaca

acaiaca babaici bac-cab bbbbbbb cia-cia ciccaba

bbbbbbbb cibaciba i-ii-iii

baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc