-ic a-a a-b a-c a-i a-z aaa aab aac aai aaz ab- aba abb abc abi abz ac- aca acb acc aci acz ai- aia aib aic aii aiz az- aza azb azi azz baa bab bac bai baz bba bbb bbc bbi bca bcb bcc bci bcz bi- bia bib bic bii biz bza bzz c-- caa cab cac cai caz cba cbb cbc cbi cbz cca ccb ccc cci ccz ci- cia cib cic cii cz- czc ia- iaa iab iac iai iaz iba ibb ibc ibi ibz ica icb icc ici icz iia iib iic iii iza izi izz zaa zab zac zai zaz zbb zbc zia zib ziz zzz

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 abza acaa acab acac acai acba acca accc acci aci- acia acic aiai aiba aica aicc aiia aiib aiic aiza aizi aza- azab azai azaz azca azia aziz azza azzi ba-i baaa baaz baba babb babi bac- baca bacc baci bacz baia baib baic baza bazi bbbb bbci bcaa bcbc bcca bccc bcci bcia biba bibb bibi bica bicc bici bizz bzzz caaa caab caac caba cabi cac- caca cacc caci caia caib caic caza 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 ciza iaaa iaac iaai iaba iaca iacc iaia ibac ibca ibia icaa icab icac icai icbc icca iccb iccc icci iiac iica iiii izba izia zaba zabi zaca zaia zaza zazi ziaz ziba zica ziza zizi zizz zzzz

-aaa- a-iii aaaai aabaa aabba aacbc aaiib abaab ababa abaca abaci abaia abaza abazi abbac abbai abbia abccc abici abzac acaca acacb accia aiaia aizac azaca azibi aziza azizi azziz baazi babai babia babic bacab bacca bacci bacia bacza baiba baici baiza bazac bazai bbiab bibia bibic bicaz bizia bizzi bziza c-a-c ca-ca caaba cabia cacia cacic caibi caiza cazaa cazac cazia cazic ccccc cccii cciii ciaci cicia ibaba ibiai ibiza iccia icica icici iiiac iiiii izazi za-za zibib zizia zizzi zzzzz

aaaaba abacab abaiba abazai acacia azzaba baabaa baaziz babici bacaba bacica baicai baizai baziab bbbbbb cabiai caccia cacica cazaci cazibi cibaca ciz ibiaca izacic izbica zababa zabaia zabbai zabiba zaccai zazaca ziczac

acaiaca acizzia babaici bac-cab bbbbbbb cia-cia ciccaba

bbbbbbbb cibaciba i-ii-iii

abba-zaba baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz ccccccccccccccc