Wax; of sushi. a.1, a.2., a.3. Cucumber, rice. b. Squid, rice. c. Tuna, rice. d. Shrimp, rice. e. egg, rice. f. Salmon, eggs, rice. g. Mackerel, rice. h. earshell, rice. i. Flatfish, rice. j. Shellfish, rice. k. Scallop, rice.