-vac aaaa aaac aaal aaar aaav aaca aacc aacl aacr aact aacv aala aalc aall aara aarc aart aata aatc aatt aava ac-t acaa acac acar acat acca accc acct acla aclc aclr acr- acra acrc acrr acrv acta actc actl actt actv acvv alaa alac alal alar alat alca alcc all- alla alll allr alta alva arac aral arar arat arc- arca arct arla arr- arra arrc arrr arrt arta artc artr artv arva at-l at-t ataa atac atal atar atat atca atcc atcl atcr atla atra atrc atta attr aval avar avat avcc avra avva caaa caac caal caat cac- caca cacc cacr cala calc call calt cara carc carl carr cart cat- cata catc catt catv cava ccaa ccac ccar ccat ccca cccc cccl cccv ccla cclc cclv ccra ccrc ccrl ccrt cctc cctl cctt cctv clar clat clav clra clrv cltc cltv crac crar crat crca crcc crcr crrt crtc crtl crtv ctal ctca ctrc ctrl ctta ctvt cvac cvar cvca cvcc cvra cvrr laaa laac laal laar laat laca lacc lacl lact lala lall lara larc larr lart larv lata latc latt latv lava lavc lcac lcat lcca lccc lcra lcrl lcrv lctl llat llcc lllc llll lrac lral lrat lrrc lrrr lrta lrtv ltac ltcc ltra lttc lttr lttv lvcc lvrr raat rac- raca racc ract racv rala rall ralt rara rata ratt rava rcac rccc rctc rctv rcvr rrat rrrr rtca rtcc rtlt rtva rv-c rvca taa- taal taar taat taca tacc tacl tact tacv tala talc tall tara tarc tarr tart tata tatr tatt tatv tava tcca tccc tctc tlac traa trac tral trat trav trca trcc trcl trra trtc trtr trvl tttt tvac tvrr tvtv vaal vaar vaat vaca vala vall valt vara varr vart vata vatt vava vcal vcat vlat vlcc vlvt vrac vrav vtac vtvl vvvv