-vac a-do aaaa aaac aaad aaal aaav aaca aacc aacd aacl aaco aacv aada aadc aala aalc aald aall aalo aaoo aava acaa acac acad acca accc accd acco acda acdc acla aclc acoa acod acol acvv adaa adac adad adal adao adcc adda addc addd addl addo adoc adod adoo alaa alac alad alal alao alca alcc alco ald- alda aldl aldo all- alla alll allo aloa aloc alod alol aloo alov alva alvo aoca aola aval avao avcc avco avda avva avvo c-cd caaa caac caal cac- caca cacc caco cada cadc cadd cado cala calc cald call calo caod caol cava cavo ccaa ccac ccad ccca cccc cccl cccv ccdc ccla cclc cclv ccoc ccod ccvo cdaa cdac cdad cdda cddl cdlv cdvd clad clav clcd cldc clod cloo coad coal coca coco coda codd codl col- cola cold coll colo cood cool cova covo cvac cvca cvcc daad daal daca dada dado dala dall dalo dava dcca dccc dccl dccv dclv dcvd dddd ddlc ddoc dlco dlvo doal doca doco dod- doda dodd dodo dola dold doll dolo dood dool dvda dvla dvoa dvvl laaa laac laad laal laca lacc lacl laco lada ladd lado lala lald lall lalo lava lavc lavo lcac lcad lcca lccc lcdd lddv llao llcc lldc lllc llll lloa lloc llod lloo lo-v loac load loca locc loco loda lola lold loll lolo looc lood lool lovo lvad lvcc lvov oall ocac ocad ocal occa occc oclc odac odal odda oddd odla odoo odva olac olav olca olcc olla ollo olov ooaa ooda oola oold oolo oooo oval ovda ovo- ovod ovol ovoo vaad vaal vaca vaco vada vado vala vald vall valo vava vcal vdcc vlad vlcc vldl vloc voad voca voda vodo vola volc vold voll volo vooc vool vvvv