a-ii aaaa aaac aaai aaar aaca aacc aaci aacr aaic aaii aara aarc aari acaa acac acag acai acar acca accc acci acga acgi acgr aci- acia acic acir acr- acra acrc acri acrr agac agag agai agar agca agcc agga aggi agia agic agig agii agir agra agri aiai aica aicc aicr aiga aiia aiic aiir aira airi arac arag arai arar arc- arca arci arga argi aria arig arii arr- arra arrc arrg arri arrr caaa caac cac- caca cacc caci cacr caga cagg cagi cagr caia caic cair cara carc cari carr ccaa ccac ccag ccai ccar ccca cccc ccci ccga ccgc ccic ccii ccir ccra ccrc ccrg ccri cgac cgcc cgcg ciaa ciar cica cicc cici cicr ciga cigi ciia ciii cira circ ciri cirr crac crag crai crar crca crcc crcr cria cric crig gaar gaga gagg gagi gaia gaig gair gara garg gari garr gc-c gcaa gccc gcic gcii gcrg gggg giaa giac giai gica gicr giga gigg gigi gira girg giri girr grac grai grcc gria gric grig grrr iaaa iaac iaai iaca iacc iacr iaia iara iarc icaa icac icag icai icar icca iccc icci iccr icga icgc icra icrc icrr igac igar igcc igga igia igra igri iiac iica iiii iira iirc irac irai irar irca ircc ircg iri- iria iric irig irra irrc irri raag rac- raca racc raci raga ragg ragi raia raic raig raii rair rara rari rcac rccc rcga rcgc rcic rcrg riaa riai rica ricc riga rigg rigi riia riri rrrr