vessel becomes selves:
   vessel => SLICE => 'ves' | 'sel' 
             SWAP  => 'sel' | 'ves' 
             NEW   => 'selves'

loyal becomes alloy
   loyal  => SLICE => 'loy' | 'al'  
             SWAP  => 'al'  | 'loy'  
             NEW   => 'alloy'