Here are the commands that I've used (skipping createmultisig);
2-2 Multisig address info:
"address": "2N9dcyDUNXxAGbBhmeSnwLQsYdEXk7jkewp",
"redeemScript": "5221024e25a55cf263164b718f2df8e246b3772f995dd783b40e6f4e5de62c93ec49232103cb1b2 55f0ea86b612eedb9c8e6446a9261d666359b5273301a45d6e3d2a3abe152ae"
Prv key1: cRBmMvn2riZHyTw13Dr9y23ynfADUiwH1YvvAg6Pp92n8TT93k8t
Prv key2: cPNZRp3FYP9JZfYRStpZhSCmQZAfWKnB4hgGffBvpcMMekKFZ5pZ
Funding transaction (TXID): 60aebde463de893dce4b72003d57c2f4ef63f88b4c0818fdaba3c9fef0a59efe
Create a new transaction, send to two outputs:
createrawtransaction "[{\"txid\":\"60aebde463de893dce4b72003d57c2f4ef63f88b4c0818fdaba3c9fef0a59efe\",\"vout\":1}]" "[{\"2N1S5utkMt53XrXuy18wURf9qqZfb7i29DB\":1.795},{\"2N4LrRMimkACSMn2LnfKrGFi4Hic6UdhxNq\":8.2}]"
0200000001fe9ea5f0fec9a3abfd18084c8bf863eff4c2573d00724bce3d89de63e4bdae600100000000ffffffff02e0f3b20a0000000017a91459ced730eb49677bbf4d9d977fd66f3562c2e40a870035e0300000000017a91479b9e026e043718332aeffc5d9f15aec3d2c8b658700000000
Sign the transaction using the first key:
signrawtransactionwithkey "0200000001fe9ea5f0fec9a3abfd18084c8bf863eff4c2573d00724bce3d89de63e4bdae600100000000ffffffff02e0f3b20a0000000017a91459ced730eb49677bbf4d9d977fd66f3562c2e40a870035e0300000000017a91479b9e026e043718332aeffc5d9f15aec3d2c8b658700000000" "[\"cRBmMvn2riZHyTw13Dr9y23ynfADUiwH1YvvAg6Pp92n8TT93k8t\"]" "[{\"txid\":\"60aebde463de893dce4b72003d57c2f4ef63f88b4c0818fdaba3c9fef0a59efe\",\"vout\":0,\"scriptPubKey\":\"a914b3be5906d3390d5a9f9e28343a49b8467a822c5187\",\"redeemScript\":\"5221024e25a55cf263164b718f2df8e246b3772f995dd783b40e6f4e5de62c93ec49232103cb1b255f0ea86b612eedb9c8e6446a9261d666359b5273301a45d6e3d2a3abe152ae\"}]"
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
Sign the partially signed transaction using the second key:
signrawtransactionwithkey "0200000001fe9ea5f0fec9a3abfd18084c8bf863eff4c2573d00724bce3d89de63e4bdae6001000000920047304402204f64de0fe2d433f4e0f98326cc3314183198dbf0e3c47f5de4a90a578a8b972a02201bc31ea3112edbc526b9aa8396de6d0ce664b770d9334d9963a83c3b4bd66efc0100475221024e25a55cf263164b718f2df8e246b3772f995dd783b40e6f4e5de62c93ec49232103cb1b255f0ea86b612eedb9c8e6446a9261d666359b5273301a45d6e3d2a3abe152aeffffffff02e0f3b20a0000000017a91459ced730eb49677bbf4d9d977fd66f3562c2e40a870035e0300000000017a91479b9e026e043718332aeffc5d9f15aec3d2c8b658700000000" "[\"cPNZRp3FYP9JZfYRStpZhSCmQZAfWKnB4hgGffBvpcMMekKFZ5pZ\"]" "[{\"txid\":\"60aebde463de893dce4b72003d57c2f4ef63f88b4c0818fdaba3c9fef0a59efe\",\"vout\":0,\"scriptPubKey\":\"a914b3be5906d3390d5a9f9e28343a49b8467a822c5187\",\"redeemScript\":\"5221024e25a55cf263164b718f2df8e246b3772f995dd783b40e6f4e5de62c93ec49232103cb1b255f0ea86b612eedb9c8e6446a9261d666359b5273301a45d6e3d2a3abe152ae\"}]"
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
If you still received "missing inputs" error, check the funding transaction's "vout" (output index) if it's the same as you indicated in createrawtransaction.