-vac a-ya aaaa aaac aaad aaav aaca aacc aacd aact aacv aacy aada aadc aadt aata aatc aatt aava ac-t acaa acac acad acat acca accc accd acct accy acda acdc acdt acta actc actt actv acvv adaa adac adad adat aday adcc adda addc addd addy adta advt adya adyt at-t ataa atac atad atat atay atca atcc atdt atta atty atya avat avay avcc avda avva avvy ayad ayat ayay ayca ayda ayta ayya c-cd caaa caac caat cac- caca cacc cada cadc cadd cady cat- cata catc catd catt catv caty cava cavy ccaa ccac ccad ccat ccca cccc cccv ccdc cctc cctt cctv cdaa cdac cdad cday cdda cdtv cdvd ctca ctta ctvt cvac cvca cvcc cya- cyaa cyc- cyca cycc cyt- cyta cyy- cyyc d-tv daad daca dact dada dady data datt dava davy daya dayt dc-y dcca dccc dcct dccv dctc dctv dcvd dday dddd ddtv dtaa dtac dtcc dvda dya- dyac dyad dyat dycd dydd dyt- dytc dyty taa- taat taca tacc tact tacv tacy tada tata tatt tatv taty tava tavy taya tayt tayy tcad tcca tccc tcdd tctc tdac tdtv tttt ttyd tvac tvad tvtv tydd tydy tyta tytd tytt tyty vaad vaat vaca vada vady vata vatt vava vaya vayd vcat vday vdcc vtac vvvv yacc yacy yada yata yava yaya ycat yccc yctc ydad yday ydyt ytay yyyy