-vac aaaa aaac aaav aaca aacc aact aacu aacv aata aatc aatt aava ac-t acaa acac acat acca accc acct accu acta actc actt actu actv acu- acut acvv at-t ataa atac atat atca atcc atta attu atua atuc auaa auca auct aut- avat avcc avva caaa caac caat cac- caca cacc cat- cata catc catt catu catv cauc caut cava cavu ccaa ccac ccat ccca cccc cccu cccv cctc cctt cctv ccuc ccut ctca ctta ctvt cuau cuca cucc cut- cuta cutc cutt cutv cvac cvca cvcc taa- taat taca tacc tact tacv tata tatt tatu tatv taua tauc taut tava tcca tccc tccu tctc tttt tuat tuca tucc tuta tutt tutu tuva tvac tvtv uaca uata uatu uatv uaua ucat ucav ucca uctv ucua ucut utac utau uttu uuta uuuu uv-a uv-c uvaa uvac uvat uvvu vaat vaca vata vatt vatu vaut vava vcat vtac vuca vutv vvvv