-vac aaaa aaac aaar aaav aaca aacc aacr aacu aacv aara aarc aaru aava acaa acac acag acar acca accc accu acga acgr acr- acra acrc acrr acrv acu- acur acvv agac agag agar agau agav agca agcc agga aggu agra agua agur agva arac arag arar arau arc- arca arga arr- arra arrc arrg arrr arru arua arug arva auaa auca auga aur- aura auug avar avcc avra avur avva caaa caac cac- caca cacc cacr caga cagg cagr cara carc carr cauc cava cavu ccaa ccac ccag ccar ccca cccc cccu cccv ccga ccgc ccra ccrc ccrg ccuc cgac cgcc cgcg crac crag crar crau crca crcc crcr crug cuau cuca cucc cuga cura curr cvac cvar cvca cvcc cvra cvrg cvrr gaar gaga gagg gagu gara garg garr garv gaua gaur gava gc-c gcaa gccc gcrg gggg grac grau grav grcc grrr grua grug grur guaa guac guag guar guca guga gugg gugu gura gurg gurr guru guva gvvv raag rac- raca racc racu racv raga ragg ragu rara raua rauc rava rcac rccc rcga rcgc rcrg rcuv rcvr rrrr ruag ruca ruga rugg rura rurc ruru ruvu rv-c rvca uaca uarc uaru uaua ucar ucav ucca ucrc ucua ugar ugcc ugcg ugra ugur uguu urac urau urca urga urgu urra urur urva uuuu uv-a uv-c uvaa uvac uvvu vaar vaca vag- vaga vagg vara varg varr varu vava vcug vgcc vrac vrav vuca vugg vurg vvvv